19940452016

素因数分解:

$2^4\times {\mathrm{61}}^2\times {\mathrm{334931}}^1$

素因数の和:335061

約数の個数: 30

約数和(自身を含む): 39278480436

約数和(自身を除く): 19338028420

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 3721, 7442, 14884, 29768, 59536, 334931, 669862, 1339724, 2679448, 5358896, 20430791, 40861582, 81723164, 163446328, 326892656, 1246278251, 2492556502, 4985113004, 9970226008, 19940452016]

約数ペア:

[(1, 19940452016), (2, 9970226008), (4, 4985113004), (8, 2492556502), (16, 1246278251), (61, 326892656), (122, 163446328), (244, 81723164), (488, 40861582), (976, 20430791), (3721, 5358896), (7442, 2679448), (14884, 1339724), (29768, 669862), (59536, 334931)]