20181657598

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1\times {\mathrm{761}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 30778704000

約数和(自身を除く): 10597046402

約数列:

[1, 2, 109, 218, 239, 478, 509, 761, 1018, 1522, 26051, 52102, 55481, 82949, 110962, 121651, 165898, 181879, 243302, 363758, 387349, 774698, 13259959, 19824811, 26519918, 39649622, 42221041, 84442082, 92576411, 185152822, 10090828799, 20181657598]

約数ペア:

[(1, 20181657598), (2, 10090828799), (109, 185152822), (218, 92576411), (239, 84442082), (478, 42221041), (509, 39649622), (761, 26519918), (1018, 19824811), (1522, 13259959), (26051, 774698), (52102, 387349), (55481, 363758), (82949, 243302), (110962, 181879), (121651, 165898)]