19685198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 13336882

約数列:

[1, 2, 13, 26, 47, 89, 94, 178, 181, 362, 611, 1157, 1222, 2314, 2353, 4183, 4706, 8366, 8507, 16109, 17014, 32218, 54379, 108758, 110591, 209417, 221182, 418834, 757123, 1514246, 9842599, 19685198]

約数ペア:

[(1, 19685198), (2, 9842599), (13, 1514246), (26, 757123), (47, 418834), (89, 221182), (94, 209417), (178, 110591), (181, 108758), (362, 54379), (611, 32218), (1157, 17014), (1222, 16109), (2314, 8507), (2353, 8366), (4183, 4706)]