19515312

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2297}}^1$

素因数の和:2370

約数の個数: 60

約数和(自身を含む): 55565640

約数和(自身を除く): 36050328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2297, 2832, 4248, 4594, 6891, 8496, 9188, 13782, 18376, 20673, 27564, 36752, 41346, 55128, 82692, 110256, 135523, 165384, 271046, 330768, 406569, 542092, 813138, 1084184, 1219707, 1626276, 2168368, 2439414, 3252552, 4878828, 6505104, 9757656, 19515312]

約数ペア:

[(1, 19515312), (2, 9757656), (3, 6505104), (4, 4878828), (6, 3252552), (8, 2439414), (9, 2168368), (12, 1626276), (16, 1219707), (18, 1084184), (24, 813138), (36, 542092), (48, 406569), (59, 330768), (72, 271046), (118, 165384), (144, 135523), (177, 110256), (236, 82692), (354, 55128), (472, 41346), (531, 36752), (708, 27564), (944, 20673), (1062, 18376), (1416, 13782), (2124, 9188), (2297, 8496), (2832, 6891), (4248, 4594)]