19451216

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 38789184

約数和(自身を除く): 19337968

約数列:

[1, 2, 4, 8, 16, 83, 97, 151, 166, 194, 302, 332, 388, 604, 664, 776, 1208, 1328, 1552, 2416, 8051, 12533, 14647, 16102, 25066, 29294, 32204, 50132, 58588, 64408, 100264, 117176, 128816, 200528, 234352, 1215701, 2431402, 4862804, 9725608, 19451216]

約数ペア:

[(1, 19451216), (2, 9725608), (4, 4862804), (8, 2431402), (16, 1215701), (83, 234352), (97, 200528), (151, 128816), (166, 117176), (194, 100264), (302, 64408), (332, 58588), (388, 50132), (604, 32204), (664, 29294), (776, 25066), (1208, 16102), (1328, 14647), (1552, 12533), (2416, 8051)]