19722768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31607}}^1$

素因数の和:31631

約数の個数: 40

約数和(自身を含む): 54871488

約数和(自身を除く): 35148720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31607, 63214, 94821, 126428, 189642, 252856, 379284, 410891, 505712, 758568, 821782, 1232673, 1517136, 1643564, 2465346, 3287128, 4930692, 6574256, 9861384, 19722768]

約数ペア:

[(1, 19722768), (2, 9861384), (3, 6574256), (4, 4930692), (6, 3287128), (8, 2465346), (12, 1643564), (13, 1517136), (16, 1232673), (24, 821782), (26, 758568), (39, 505712), (48, 410891), (52, 379284), (78, 252856), (104, 189642), (156, 126428), (208, 94821), (312, 63214), (624, 31607)]