18202140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 62506080

約数和(自身を除く): 44303940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 317, 319, 330, 348, 396, 435, 495, 522, 580, 634, 638, 660, 870, 951, 957, 990, 1044, 1268, 1276, 1305, 1585, 1595, 1740, 1902, 1914, 1980, 2610, 2853, 2871, 3170, 3190, 3487, 3804, 3828, 4755, 4785, 5220, 5706, 5742, 6340, 6380, 6974, 9193, 9510, 9570, 10461, 11412, 11484, 13948, 14265, 14355, 17435, 18386, 19020, 19140, 20922, 27579, 28530, 28710, 31383, 34870, 36772, 41844, 45965, 52305, 55158, 57060, 57420, 62766, 69740, 82737, 91930, 101123, 104610, 110316, 125532, 137895, 156915, 165474, 183860, 202246, 209220, 275790, 303369, 313830, 330948, 404492, 413685, 505615, 551580, 606738, 627660, 827370, 910107, 1011230, 1213476, 1516845, 1654740, 1820214, 2022460, 3033690, 3640428, 4550535, 6067380, 9101070, 18202140]

約数ペア:

[(1, 18202140), (2, 9101070), (3, 6067380), (4, 4550535), (5, 3640428), (6, 3033690), (9, 2022460), (10, 1820214), (11, 1654740), (12, 1516845), (15, 1213476), (18, 1011230), (20, 910107), (22, 827370), (29, 627660), (30, 606738), (33, 551580), (36, 505615), (44, 413685), (45, 404492), (55, 330948), (58, 313830), (60, 303369), (66, 275790), (87, 209220), (90, 202246), (99, 183860), (110, 165474), (116, 156915), (132, 137895), (145, 125532), (165, 110316), (174, 104610), (180, 101123), (198, 91930), (220, 82737), (261, 69740), (290, 62766), (317, 57420), (319, 57060), (330, 55158), (348, 52305), (396, 45965), (435, 41844), (495, 36772), (522, 34870), (580, 31383), (634, 28710), (638, 28530), (660, 27579), (870, 20922), (951, 19140), (957, 19020), (990, 18386), (1044, 17435), (1268, 14355), (1276, 14265), (1305, 13948), (1585, 11484), (1595, 11412), (1740, 10461), (1902, 9570), (1914, 9510), (1980, 9193), (2610, 6974), (2853, 6380), (2871, 6340), (3170, 5742), (3190, 5706), (3487, 5220), (3804, 4785), (3828, 4755)]