18449640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1553}}^1$

素因数の和:1584

約数の個数: 128

約数和(自身を含む): 67132800

約数和(自身を除く): 48683160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1553, 1980, 2376, 2970, 3106, 3960, 4659, 5940, 6212, 7765, 9318, 11880, 12424, 13977, 15530, 17083, 18636, 23295, 27954, 31060, 34166, 37272, 41931, 46590, 51249, 55908, 62120, 68332, 69885, 83862, 85415, 93180, 102498, 111816, 136664, 139770, 153747, 167724, 170830, 186360, 204996, 209655, 256245, 279540, 307494, 335448, 341660, 409992, 419310, 461241, 512490, 559080, 614988, 683320, 768735, 838620, 922482, 1024980, 1229976, 1537470, 1677240, 1844964, 2049960, 2306205, 3074940, 3689928, 4612410, 6149880, 9224820, 18449640]

約数ペア:

[(1, 18449640), (2, 9224820), (3, 6149880), (4, 4612410), (5, 3689928), (6, 3074940), (8, 2306205), (9, 2049960), (10, 1844964), (11, 1677240), (12, 1537470), (15, 1229976), (18, 1024980), (20, 922482), (22, 838620), (24, 768735), (27, 683320), (30, 614988), (33, 559080), (36, 512490), (40, 461241), (44, 419310), (45, 409992), (54, 341660), (55, 335448), (60, 307494), (66, 279540), (72, 256245), (88, 209655), (90, 204996), (99, 186360), (108, 170830), (110, 167724), (120, 153747), (132, 139770), (135, 136664), (165, 111816), (180, 102498), (198, 93180), (216, 85415), (220, 83862), (264, 69885), (270, 68332), (297, 62120), (330, 55908), (360, 51249), (396, 46590), (440, 41931), (495, 37272), (540, 34166), (594, 31060), (660, 27954), (792, 23295), (990, 18636), (1080, 17083), (1188, 15530), (1320, 13977), (1485, 12424), (1553, 11880), (1980, 9318), (2376, 7765), (2970, 6212), (3106, 5940), (3960, 4659)]