19480640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3581}}^1$

素因数の和:3615

約数の個数: 56

約数和(自身を含む): 49130712

約数和(自身を除く): 29650072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3581, 5440, 7162, 14324, 17905, 28648, 35810, 57296, 60877, 71620, 114592, 121754, 143240, 229184, 243508, 286480, 304385, 487016, 572960, 608770, 974032, 1145920, 1217540, 1948064, 2435080, 3896128, 4870160, 9740320, 19480640]

約数ペア:

[(1, 19480640), (2, 9740320), (4, 4870160), (5, 3896128), (8, 2435080), (10, 1948064), (16, 1217540), (17, 1145920), (20, 974032), (32, 608770), (34, 572960), (40, 487016), (64, 304385), (68, 286480), (80, 243508), (85, 229184), (136, 143240), (160, 121754), (170, 114592), (272, 71620), (320, 60877), (340, 57296), (544, 35810), (680, 28648), (1088, 17905), (1360, 14324), (2720, 7162), (3581, 5440)]