19397976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 52953600

約数和(自身を除く): 33555624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 787, 948, 1027, 1574, 1896, 2054, 2361, 3081, 3148, 4108, 4722, 6162, 6296, 8216, 9444, 10231, 12324, 18888, 20462, 24648, 30693, 40924, 61386, 62173, 81848, 122772, 124346, 186519, 245544, 248692, 373038, 497384, 746076, 808249, 1492152, 1616498, 2424747, 3232996, 4849494, 6465992, 9698988, 19397976]

約数ペア:

[(1, 19397976), (2, 9698988), (3, 6465992), (4, 4849494), (6, 3232996), (8, 2424747), (12, 1616498), (13, 1492152), (24, 808249), (26, 746076), (39, 497384), (52, 373038), (78, 248692), (79, 245544), (104, 186519), (156, 124346), (158, 122772), (237, 81848), (312, 62173), (316, 61386), (474, 40924), (632, 30693), (787, 24648), (948, 20462), (1027, 18888), (1574, 12324), (1896, 10231), (2054, 9444), (2361, 8216), (3081, 6296), (3148, 6162), (4108, 4722)]