19685328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31547}}^1$

素因数の和:31571

約数の個数: 40

約数和(自身を含む): 54767328

約数和(自身を除く): 35082000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31547, 63094, 94641, 126188, 189282, 252376, 378564, 410111, 504752, 757128, 820222, 1230333, 1514256, 1640444, 2460666, 3280888, 4921332, 6561776, 9842664, 19685328]

約数ペア:

[(1, 19685328), (2, 9842664), (3, 6561776), (4, 4921332), (6, 3280888), (8, 2460666), (12, 1640444), (13, 1514256), (16, 1230333), (24, 820222), (26, 757128), (39, 504752), (48, 410111), (52, 378564), (78, 252376), (104, 189282), (156, 126188), (208, 94641), (312, 63094), (624, 31547)]