19173804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 48756960

約数和(自身を除く): 29583156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 1381, 2314, 2762, 3471, 4143, 4628, 5524, 6942, 8286, 13884, 16572, 17953, 35906, 53859, 71812, 107718, 122909, 215436, 245818, 368727, 491636, 737454, 1474908, 1597817, 3195634, 4793451, 6391268, 9586902, 19173804]

約数ペア:

[(1, 19173804), (2, 9586902), (3, 6391268), (4, 4793451), (6, 3195634), (12, 1597817), (13, 1474908), (26, 737454), (39, 491636), (52, 368727), (78, 245818), (89, 215436), (156, 122909), (178, 107718), (267, 71812), (356, 53859), (534, 35906), (1068, 17953), (1157, 16572), (1381, 13884), (2314, 8286), (2762, 6942), (3471, 5524), (4143, 4628)]