2019901018

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 3104640000

約数和(自身を除く): 1084738982

約数列:

[1, 2, 109, 139, 191, 218, 278, 349, 382, 698, 15151, 20819, 26549, 30302, 38041, 41638, 48511, 53098, 66659, 76082, 97022, 133318, 2893841, 5287699, 5787682, 7265831, 9265601, 10575398, 14531662, 18531202, 1009950509, 2019901018]

約数ペア:

[(1, 2019901018), (2, 1009950509), (109, 18531202), (139, 14531662), (191, 10575398), (218, 9265601), (278, 7265831), (349, 5787682), (382, 5287699), (698, 2893841), (15151, 133318), (20819, 97022), (26549, 76082), (30302, 66659), (38041, 53098), (41638, 48511)]