19376200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5099}}^1$

素因数の和:5134

約数の個数: 48

約数和(自身を含む): 47430000

約数和(自身を除く): 28053800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5099, 10198, 20396, 25495, 40792, 50990, 96881, 101980, 127475, 193762, 203960, 254950, 387524, 484405, 509900, 775048, 968810, 1019800, 1937620, 2422025, 3875240, 4844050, 9688100, 19376200]

約数ペア:

[(1, 19376200), (2, 9688100), (4, 4844050), (5, 3875240), (8, 2422025), (10, 1937620), (19, 1019800), (20, 968810), (25, 775048), (38, 509900), (40, 484405), (50, 387524), (76, 254950), (95, 203960), (100, 193762), (152, 127475), (190, 101980), (200, 96881), (380, 50990), (475, 40792), (760, 25495), (950, 20396), (1900, 10198), (3800, 5099)]