19174913888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{26783}}^1$

素因数の和:28527

約数の個数: 48

約数和(自身を含む): 40679646336

約数和(自身を除く): 21504732448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1721, 3442, 6884, 13768, 22373, 26783, 27536, 44746, 53566, 55072, 89492, 107132, 178984, 214264, 348179, 357968, 428528, 696358, 715936, 857056, 1392716, 2785432, 5570864, 11141728, 46093543, 92187086, 184374172, 368748344, 599216059, 737496688, 1198432118, 1474993376, 2396864236, 4793728472, 9587456944, 19174913888]

約数ペア:

[(1, 19174913888), (2, 9587456944), (4, 4793728472), (8, 2396864236), (13, 1474993376), (16, 1198432118), (26, 737496688), (32, 599216059), (52, 368748344), (104, 184374172), (208, 92187086), (416, 46093543), (1721, 11141728), (3442, 5570864), (6884, 2785432), (13768, 1392716), (22373, 857056), (26783, 715936), (27536, 696358), (44746, 428528), (53566, 357968), (55072, 348179), (89492, 214264), (107132, 178984)]