19807736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{673}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 40197360

約数和(自身を除く): 20389624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 283, 566, 673, 1132, 1346, 2264, 2692, 3679, 5384, 7358, 8749, 14716, 17498, 29432, 34996, 69992, 190459, 380918, 761836, 1523672, 2475967, 4951934, 9903868, 19807736]

約数ペア:

[(1, 19807736), (2, 9903868), (4, 4951934), (8, 2475967), (13, 1523672), (26, 761836), (52, 380918), (104, 190459), (283, 69992), (566, 34996), (673, 29432), (1132, 17498), (1346, 14716), (2264, 8749), (2692, 7358), (3679, 5384)]