18647636

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1176

約数の個数: 36

約数和(自身を含む): 38423700

約数和(自身を除く): 19776064

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1069, 1246, 2138, 2492, 4276, 4361, 7483, 8722, 14966, 17444, 29932, 52381, 95141, 104762, 190282, 209524, 380564, 665987, 1331974, 2663948, 4661909, 9323818, 18647636]

約数ペア:

[(1, 18647636), (2, 9323818), (4, 4661909), (7, 2663948), (14, 1331974), (28, 665987), (49, 380564), (89, 209524), (98, 190282), (178, 104762), (196, 95141), (356, 52381), (623, 29932), (1069, 17444), (1246, 14966), (2138, 8722), (2492, 7483), (4276, 4361)]