18964260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 70156800

約数和(自身を除く): 51192540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 173, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 346, 348, 378, 406, 420, 435, 519, 522, 540, 580, 609, 630, 692, 756, 783, 812, 865, 870, 945, 1015, 1038, 1044, 1211, 1218, 1260, 1305, 1557, 1566, 1730, 1740, 1827, 1890, 2030, 2076, 2422, 2436, 2595, 2610, 3045, 3114, 3132, 3460, 3633, 3654, 3780, 3915, 4060, 4671, 4844, 5017, 5190, 5220, 5481, 6055, 6090, 6228, 7266, 7308, 7785, 7830, 9135, 9342, 10034, 10380, 10899, 10962, 12110, 12180, 14532, 15051, 15570, 15660, 18165, 18270, 18684, 20068, 21798, 21924, 23355, 24220, 25085, 27405, 30102, 31140, 32697, 35119, 36330, 36540, 43596, 45153, 46710, 50170, 54495, 54810, 60204, 65394, 70238, 72660, 75255, 90306, 93420, 100340, 105357, 108990, 109620, 130788, 135459, 140476, 150510, 163485, 175595, 180612, 210714, 217980, 225765, 270918, 301020, 316071, 326970, 351190, 421428, 451530, 526785, 541836, 632142, 653940, 677295, 702380, 903060, 948213, 1053570, 1264284, 1354590, 1580355, 1896426, 2107140, 2709180, 3160710, 3792852, 4741065, 6321420, 9482130, 18964260]

約数ペア:

[(1, 18964260), (2, 9482130), (3, 6321420), (4, 4741065), (5, 3792852), (6, 3160710), (7, 2709180), (9, 2107140), (10, 1896426), (12, 1580355), (14, 1354590), (15, 1264284), (18, 1053570), (20, 948213), (21, 903060), (27, 702380), (28, 677295), (29, 653940), (30, 632142), (35, 541836), (36, 526785), (42, 451530), (45, 421428), (54, 351190), (58, 326970), (60, 316071), (63, 301020), (70, 270918), (84, 225765), (87, 217980), (90, 210714), (105, 180612), (108, 175595), (116, 163485), (126, 150510), (135, 140476), (140, 135459), (145, 130788), (173, 109620), (174, 108990), (180, 105357), (189, 100340), (203, 93420), (210, 90306), (252, 75255), (261, 72660), (270, 70238), (290, 65394), (315, 60204), (346, 54810), (348, 54495), (378, 50170), (406, 46710), (420, 45153), (435, 43596), (519, 36540), (522, 36330), (540, 35119), (580, 32697), (609, 31140), (630, 30102), (692, 27405), (756, 25085), (783, 24220), (812, 23355), (865, 21924), (870, 21798), (945, 20068), (1015, 18684), (1038, 18270), (1044, 18165), (1211, 15660), (1218, 15570), (1260, 15051), (1305, 14532), (1557, 12180), (1566, 12110), (1730, 10962), (1740, 10899), (1827, 10380), (1890, 10034), (2030, 9342), (2076, 9135), (2422, 7830), (2436, 7785), (2595, 7308), (2610, 7266), (3045, 6228), (3114, 6090), (3132, 6055), (3460, 5481), (3633, 5220), (3654, 5190), (3780, 5017), (3915, 4844), (4060, 4671)]