19888232

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1607}}^1$

素因数の和:1650

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 28737688

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1607, 1768, 3094, 3214, 6188, 6428, 11249, 12376, 12856, 20891, 22498, 27319, 41782, 44996, 54638, 83564, 89992, 109276, 146237, 167128, 191233, 218552, 292474, 355147, 382466, 584948, 710294, 764932, 1169896, 1420588, 1529864, 2486029, 2841176, 4972058, 9944116, 19888232]

約数ペア:

[(1, 19888232), (2, 9944116), (4, 4972058), (7, 2841176), (8, 2486029), (13, 1529864), (14, 1420588), (17, 1169896), (26, 764932), (28, 710294), (34, 584948), (52, 382466), (56, 355147), (68, 292474), (91, 218552), (104, 191233), (119, 167128), (136, 146237), (182, 109276), (221, 89992), (238, 83564), (364, 54638), (442, 44996), (476, 41782), (728, 27319), (884, 22498), (952, 20891), (1547, 12856), (1607, 12376), (1768, 11249), (3094, 6428), (3214, 6188)]