19969612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 40078080

約数和(自身を除く): 20108468

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 59, 92, 118, 236, 283, 299, 566, 598, 767, 1132, 1196, 1357, 1534, 2714, 3068, 3679, 5428, 6509, 7358, 13018, 14716, 16697, 17641, 26036, 33394, 35282, 66788, 70564, 84617, 169234, 217061, 338468, 384031, 434122, 768062, 868244, 1536124, 4992403, 9984806, 19969612]

約数ペア:

[(1, 19969612), (2, 9984806), (4, 4992403), (13, 1536124), (23, 868244), (26, 768062), (46, 434122), (52, 384031), (59, 338468), (92, 217061), (118, 169234), (236, 84617), (283, 70564), (299, 66788), (566, 35282), (598, 33394), (767, 26036), (1132, 17641), (1196, 16697), (1357, 14716), (1534, 13018), (2714, 7358), (3068, 6509), (3679, 5428)]