19796793978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{839}}^1\times {\mathrm{1321}}^1$

素因数の和:2407

約数の個数: 64

約数和(自身を含む): 42908947200

約数和(自身を除く): 23112153222

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 229, 458, 687, 839, 1321, 1374, 1678, 2517, 2642, 2977, 3963, 5034, 5954, 7926, 8931, 10907, 17173, 17862, 21814, 32721, 34346, 51519, 65442, 103038, 192131, 302509, 384262, 576393, 605018, 907527, 1108319, 1152786, 1815054, 2216638, 2497703, 3324957, 3932617, 4995406, 6649914, 7493109, 7865234, 11797851, 14408147, 14986218, 23595702, 28816294, 43224441, 86448882, 253805051, 507610102, 761415153, 1522830306, 3299465663, 6598931326, 9898396989, 19796793978]

約数ペア:

[(1, 19796793978), (2, 9898396989), (3, 6598931326), (6, 3299465663), (13, 1522830306), (26, 761415153), (39, 507610102), (78, 253805051), (229, 86448882), (458, 43224441), (687, 28816294), (839, 23595702), (1321, 14986218), (1374, 14408147), (1678, 11797851), (2517, 7865234), (2642, 7493109), (2977, 6649914), (3963, 4995406), (5034, 3932617), (5954, 3324957), (7926, 2497703), (8931, 2216638), (10907, 1815054), (17173, 1152786), (17862, 1108319), (21814, 907527), (32721, 605018), (34346, 576393), (51519, 384262), (65442, 302509), (103038, 192131)]