19726398180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12176789}}^1$

素因数の和:12176810

約数の個数: 60

約数和(自身を含む): 61882446780

約数和(自身を除く): 42156048600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12176789, 24353578, 36530367, 48707156, 60883945, 73060734, 109591101, 121767890, 146121468, 182651835, 219182202, 243535780, 328773303, 365303670, 438364404, 547955505, 657546606, 730607340, 986319909, 1095911010, 1315093212, 1643866515, 1972639818, 2191822020, 3287733030, 3945279636, 4931599545, 6575466060, 9863199090, 19726398180]

約数ペア:

[(1, 19726398180), (2, 9863199090), (3, 6575466060), (4, 4931599545), (5, 3945279636), (6, 3287733030), (9, 2191822020), (10, 1972639818), (12, 1643866515), (15, 1315093212), (18, 1095911010), (20, 986319909), (27, 730607340), (30, 657546606), (36, 547955505), (45, 438364404), (54, 365303670), (60, 328773303), (81, 243535780), (90, 219182202), (108, 182651835), (135, 146121468), (162, 121767890), (180, 109591101), (270, 73060734), (324, 60883945), (405, 48707156), (540, 36530367), (810, 24353578), (1620, 12176789)]