18713940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2657

約数の個数: 96

約数和(自身を含む): 63431424

約数和(自身を除く): 44717484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2621, 3570, 5242, 7140, 7863, 10484, 13105, 15726, 18347, 26210, 31452, 36694, 39315, 44557, 52420, 55041, 73388, 78630, 89114, 91735, 110082, 133671, 157260, 178228, 183470, 220164, 222785, 267342, 275205, 311899, 366940, 445570, 534684, 550410, 623798, 668355, 891140, 935697, 1100820, 1247596, 1336710, 1559495, 1871394, 2673420, 3118990, 3742788, 4678485, 6237980, 9356970, 18713940]

約数ペア:

[(1, 18713940), (2, 9356970), (3, 6237980), (4, 4678485), (5, 3742788), (6, 3118990), (7, 2673420), (10, 1871394), (12, 1559495), (14, 1336710), (15, 1247596), (17, 1100820), (20, 935697), (21, 891140), (28, 668355), (30, 623798), (34, 550410), (35, 534684), (42, 445570), (51, 366940), (60, 311899), (68, 275205), (70, 267342), (84, 222785), (85, 220164), (102, 183470), (105, 178228), (119, 157260), (140, 133671), (170, 110082), (204, 91735), (210, 89114), (238, 78630), (255, 73388), (340, 55041), (357, 52420), (420, 44557), (476, 39315), (510, 36694), (595, 31452), (714, 26210), (1020, 18347), (1190, 15726), (1428, 13105), (1785, 10484), (2380, 7863), (2621, 7140), (3570, 5242)]