19880016

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31859}}^1$

素因数の和:31883

約数の個数: 40

約数和(自身を含む): 55308960

約数和(自身を除く): 35428944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31859, 63718, 95577, 127436, 191154, 254872, 382308, 414167, 509744, 764616, 828334, 1242501, 1529232, 1656668, 2485002, 3313336, 4970004, 6626672, 9940008, 19880016]

約数ペア:

[(1, 19880016), (2, 9940008), (3, 6626672), (4, 4970004), (6, 3313336), (8, 2485002), (12, 1656668), (13, 1529232), (16, 1242501), (24, 828334), (26, 764616), (39, 509744), (48, 414167), (52, 382308), (78, 254872), (104, 191154), (156, 127436), (208, 95577), (312, 63718), (624, 31859)]