19724930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4001}}^1$

素因数の和:4054

約数の個数: 32

約数和(自身を含む): 38899440

約数和(自身を除く): 19174510

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4001, 4930, 8002, 20005, 40010, 68017, 116029, 136034, 232058, 340085, 580145, 680170, 1160290, 1972493, 3944986, 9862465, 19724930]

約数ペア:

[(1, 19724930), (2, 9862465), (5, 3944986), (10, 1972493), (17, 1160290), (29, 680170), (34, 580145), (58, 340085), (85, 232058), (145, 136034), (170, 116029), (290, 68017), (493, 40010), (986, 20005), (2465, 8002), (4001, 4930)]