18772250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 42591744

約数和(自身を除く): 23819494

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 238, 250, 350, 425, 595, 631, 850, 875, 1190, 1262, 1750, 2125, 2975, 3155, 4250, 4417, 5950, 6310, 8834, 10727, 14875, 15775, 21454, 22085, 29750, 31550, 44170, 53635, 75089, 78875, 107270, 110425, 150178, 157750, 220850, 268175, 375445, 536350, 552125, 750890, 1104250, 1340875, 1877225, 2681750, 3754450, 9386125, 18772250]

約数ペア:

[(1, 18772250), (2, 9386125), (5, 3754450), (7, 2681750), (10, 1877225), (14, 1340875), (17, 1104250), (25, 750890), (34, 552125), (35, 536350), (50, 375445), (70, 268175), (85, 220850), (119, 157750), (125, 150178), (170, 110425), (175, 107270), (238, 78875), (250, 75089), (350, 53635), (425, 44170), (595, 31550), (631, 29750), (850, 22085), (875, 21454), (1190, 15775), (1262, 14875), (1750, 10727), (2125, 8834), (2975, 6310), (3155, 5950), (4250, 4417)]