19563464

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 41860800

約数和(自身を除く): 22297336

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 113, 134, 136, 152, 226, 268, 323, 452, 536, 646, 904, 1139, 1273, 1292, 1921, 2147, 2278, 2546, 2584, 3842, 4294, 4556, 5092, 7571, 7684, 8588, 9112, 10184, 15142, 15368, 17176, 21641, 30284, 36499, 43282, 60568, 72998, 86564, 128707, 143849, 145996, 173128, 257414, 287698, 291992, 514828, 575396, 1029656, 1150792, 2445433, 4890866, 9781732, 19563464]

約数ペア:

[(1, 19563464), (2, 9781732), (4, 4890866), (8, 2445433), (17, 1150792), (19, 1029656), (34, 575396), (38, 514828), (67, 291992), (68, 287698), (76, 257414), (113, 173128), (134, 145996), (136, 143849), (152, 128707), (226, 86564), (268, 72998), (323, 60568), (452, 43282), (536, 36499), (646, 30284), (904, 21641), (1139, 17176), (1273, 15368), (1292, 15142), (1921, 10184), (2147, 9112), (2278, 8588), (2546, 7684), (2584, 7571), (3842, 5092), (4294, 4556)]