19170333

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 15424227

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 89, 91, 117, 263, 267, 273, 623, 789, 801, 819, 1157, 1841, 1869, 2367, 3419, 3471, 5523, 5607, 8099, 10257, 10413, 16569, 23407, 23933, 24297, 30771, 70221, 71799, 72891, 163849, 210663, 215397, 304291, 491547, 912873, 1474641, 2130037, 2738619, 6390111, 19170333]

約数ペア:

[(1, 19170333), (3, 6390111), (7, 2738619), (9, 2130037), (13, 1474641), (21, 912873), (39, 491547), (63, 304291), (89, 215397), (91, 210663), (117, 163849), (263, 72891), (267, 71799), (273, 70221), (623, 30771), (789, 24297), (801, 23933), (819, 23407), (1157, 16569), (1841, 10413), (1869, 10257), (2367, 8099), (3419, 5607), (3471, 5523)]