18901450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 38294424

約数和(自身を除く): 19392974

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 170, 185, 370, 425, 601, 629, 850, 925, 1202, 1258, 1850, 3005, 3145, 6010, 6290, 10217, 15025, 15725, 20434, 22237, 30050, 31450, 44474, 51085, 102170, 111185, 222370, 255425, 378029, 510850, 555925, 756058, 1111850, 1890145, 3780290, 9450725, 18901450]

約数ペア:

[(1, 18901450), (2, 9450725), (5, 3780290), (10, 1890145), (17, 1111850), (25, 756058), (34, 555925), (37, 510850), (50, 378029), (74, 255425), (85, 222370), (170, 111185), (185, 102170), (370, 51085), (425, 44474), (601, 31450), (629, 30050), (850, 22237), (925, 20434), (1202, 15725), (1258, 15025), (1850, 10217), (3005, 6290), (3145, 6010)]