19912854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4327}}^1$

素因数の和:4404

約数の個数: 32

約数和(自身を含む): 43626240

約数和(自身を除く): 23713386

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 177, 354, 767, 1534, 2301, 4327, 4602, 8654, 12981, 25962, 56251, 112502, 168753, 255293, 337506, 510586, 765879, 1531758, 3318809, 6637618, 9956427, 19912854]

約数ペア:

[(1, 19912854), (2, 9956427), (3, 6637618), (6, 3318809), (13, 1531758), (26, 765879), (39, 510586), (59, 337506), (78, 255293), (118, 168753), (177, 112502), (354, 56251), (767, 25962), (1534, 12981), (2301, 8654), (4327, 4602)]