19485970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 41640768

約数和(自身を除く): 22154798

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 331, 406, 662, 841, 1015, 1655, 1682, 2030, 2317, 3310, 4205, 4634, 5887, 8410, 9599, 11585, 11774, 19198, 23170, 29435, 47995, 58870, 67193, 95990, 134386, 278371, 335965, 556742, 671930, 1391855, 1948597, 2783710, 3897194, 9742985, 19485970]

約数ペア:

[(1, 19485970), (2, 9742985), (5, 3897194), (7, 2783710), (10, 1948597), (14, 1391855), (29, 671930), (35, 556742), (58, 335965), (70, 278371), (145, 134386), (203, 95990), (290, 67193), (331, 58870), (406, 47995), (662, 29435), (841, 23170), (1015, 19198), (1655, 11774), (1682, 11585), (2030, 9599), (2317, 8410), (3310, 5887), (4205, 4634)]