18461456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 42747264

約数和(自身を除く): 24285808

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 208, 221, 227, 272, 299, 368, 391, 442, 454, 598, 782, 884, 908, 1196, 1564, 1768, 1816, 2392, 2951, 3128, 3536, 3632, 3859, 4784, 5083, 5221, 5902, 6256, 7718, 10166, 10442, 11804, 15436, 20332, 20884, 23608, 30872, 40664, 41768, 47216, 50167, 61744, 67873, 81328, 83536, 88757, 100334, 135746, 177514, 200668, 271492, 355028, 401336, 542984, 710056, 802672, 1085968, 1153841, 1420112, 2307682, 4615364, 9230728, 18461456]

約数ペア:

[(1, 18461456), (2, 9230728), (4, 4615364), (8, 2307682), (13, 1420112), (16, 1153841), (17, 1085968), (23, 802672), (26, 710056), (34, 542984), (46, 401336), (52, 355028), (68, 271492), (92, 200668), (104, 177514), (136, 135746), (184, 100334), (208, 88757), (221, 83536), (227, 81328), (272, 67873), (299, 61744), (368, 50167), (391, 47216), (442, 41768), (454, 40664), (598, 30872), (782, 23608), (884, 20884), (908, 20332), (1196, 15436), (1564, 11804), (1768, 10442), (1816, 10166), (2392, 7718), (2951, 6256), (3128, 5902), (3536, 5221), (3632, 5083), (3859, 4784)]