19722992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 41180400

約数和(自身を除く): 21457408

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1229, 2006, 2458, 4012, 4916, 8024, 9832, 16048, 19664, 20893, 41786, 72511, 83572, 145022, 167144, 290044, 334288, 580088, 1160176, 1232687, 2465374, 4930748, 9861496, 19722992]

約数ペア:

[(1, 19722992), (2, 9861496), (4, 4930748), (8, 2465374), (16, 1232687), (17, 1160176), (34, 580088), (59, 334288), (68, 290044), (118, 167144), (136, 145022), (236, 83572), (272, 72511), (472, 41786), (944, 20893), (1003, 19664), (1229, 16048), (2006, 9832), (2458, 8024), (4012, 4916)]