19797620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 44634240

約数和(自身を除く): 24836620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 983, 1007, 1060, 1966, 2014, 3932, 4028, 4915, 5035, 9830, 10070, 18677, 19660, 20140, 37354, 52099, 74708, 93385, 104198, 186770, 208396, 260495, 373540, 520990, 989881, 1041980, 1979762, 3959524, 4949405, 9898810, 19797620]

約数ペア:

[(1, 19797620), (2, 9898810), (4, 4949405), (5, 3959524), (10, 1979762), (19, 1041980), (20, 989881), (38, 520990), (53, 373540), (76, 260495), (95, 208396), (106, 186770), (190, 104198), (212, 93385), (265, 74708), (380, 52099), (530, 37354), (983, 20140), (1007, 19660), (1060, 18677), (1966, 10070), (2014, 9830), (3932, 5035), (4028, 4915)]