19844950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 40202784

約数和(自身を除く): 20357834

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 170, 185, 370, 425, 629, 631, 850, 925, 1258, 1262, 1850, 3145, 3155, 6290, 6310, 10727, 15725, 15775, 21454, 23347, 31450, 31550, 46694, 53635, 107270, 116735, 233470, 268175, 396899, 536350, 583675, 793798, 1167350, 1984495, 3968990, 9922475, 19844950]

約数ペア:

[(1, 19844950), (2, 9922475), (5, 3968990), (10, 1984495), (17, 1167350), (25, 793798), (34, 583675), (37, 536350), (50, 396899), (74, 268175), (85, 233470), (170, 116735), (185, 107270), (370, 53635), (425, 46694), (629, 31550), (631, 31450), (850, 23347), (925, 21454), (1258, 15775), (1262, 15725), (1850, 10727), (3145, 6310), (3155, 6290)]