18746104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 41912640

約数和(自身を除く): 23166536

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 221, 299, 391, 442, 461, 598, 782, 884, 922, 1196, 1564, 1768, 1844, 2392, 3128, 3688, 5083, 5993, 7837, 10166, 10603, 11986, 15674, 20332, 21206, 23972, 31348, 40664, 42412, 47944, 62696, 84824, 101881, 137839, 180251, 203762, 275678, 360502, 407524, 551356, 721004, 815048, 1102712, 1442008, 2343263, 4686526, 9373052, 18746104]

約数ペア:

[(1, 18746104), (2, 9373052), (4, 4686526), (8, 2343263), (13, 1442008), (17, 1102712), (23, 815048), (26, 721004), (34, 551356), (46, 407524), (52, 360502), (68, 275678), (92, 203762), (104, 180251), (136, 137839), (184, 101881), (221, 84824), (299, 62696), (391, 47944), (442, 42412), (461, 40664), (598, 31348), (782, 23972), (884, 21206), (922, 20332), (1196, 15674), (1564, 11986), (1768, 10603), (1844, 10166), (2392, 7837), (3128, 5993), (3688, 5083)]