18198840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 44942280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 811, 935, 1020, 1122, 1320, 1496, 1622, 1870, 2040, 2244, 2433, 2805, 3244, 3740, 4055, 4488, 4866, 5610, 6488, 7480, 8110, 8921, 9732, 11220, 12165, 13787, 16220, 17842, 19464, 22440, 24330, 26763, 27574, 32440, 35684, 41361, 44605, 48660, 53526, 55148, 68935, 71368, 82722, 89210, 97320, 107052, 110296, 133815, 137870, 151657, 165444, 178420, 206805, 214104, 267630, 275740, 303314, 330888, 356840, 413610, 454971, 535260, 551480, 606628, 758285, 827220, 909942, 1070520, 1213256, 1516570, 1654440, 1819884, 2274855, 3033140, 3639768, 4549710, 6066280, 9099420, 18198840]

約数ペア:

[(1, 18198840), (2, 9099420), (3, 6066280), (4, 4549710), (5, 3639768), (6, 3033140), (8, 2274855), (10, 1819884), (11, 1654440), (12, 1516570), (15, 1213256), (17, 1070520), (20, 909942), (22, 827220), (24, 758285), (30, 606628), (33, 551480), (34, 535260), (40, 454971), (44, 413610), (51, 356840), (55, 330888), (60, 303314), (66, 275740), (68, 267630), (85, 214104), (88, 206805), (102, 178420), (110, 165444), (120, 151657), (132, 137870), (136, 133815), (165, 110296), (170, 107052), (187, 97320), (204, 89210), (220, 82722), (255, 71368), (264, 68935), (330, 55148), (340, 53526), (374, 48660), (408, 44605), (440, 41361), (510, 35684), (561, 32440), (660, 27574), (680, 26763), (748, 24330), (811, 22440), (935, 19464), (1020, 17842), (1122, 16220), (1320, 13787), (1496, 12165), (1622, 11220), (1870, 9732), (2040, 8921), (2244, 8110), (2433, 7480), (2805, 6488), (3244, 5610), (3740, 4866), (4055, 4488)]