19218160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 50996736

約数和(自身を除く): 31778576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1087, 1105, 1360, 1768, 2174, 2210, 3536, 4348, 4420, 5435, 8696, 8840, 10870, 14131, 17392, 17680, 18479, 21740, 28262, 36958, 43480, 56524, 70655, 73916, 86960, 92395, 113048, 141310, 147832, 184790, 226096, 240227, 282620, 295664, 369580, 480454, 565240, 739160, 960908, 1130480, 1201135, 1478320, 1921816, 2402270, 3843632, 4804540, 9609080, 19218160]

約数ペア:

[(1, 19218160), (2, 9609080), (4, 4804540), (5, 3843632), (8, 2402270), (10, 1921816), (13, 1478320), (16, 1201135), (17, 1130480), (20, 960908), (26, 739160), (34, 565240), (40, 480454), (52, 369580), (65, 295664), (68, 282620), (80, 240227), (85, 226096), (104, 184790), (130, 147832), (136, 141310), (170, 113048), (208, 92395), (221, 86960), (260, 73916), (272, 70655), (340, 56524), (442, 43480), (520, 36958), (680, 28262), (884, 21740), (1040, 18479), (1087, 17680), (1105, 17392), (1360, 14131), (1768, 10870), (2174, 8840), (2210, 8696), (3536, 5435), (4348, 4420)]