18534260

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 21684940

約数列:

[1, 2, 4, 5, 10, 20, 59, 113, 118, 139, 226, 236, 278, 295, 452, 556, 565, 590, 695, 1130, 1180, 1390, 2260, 2780, 6667, 8201, 13334, 15707, 16402, 26668, 31414, 32804, 33335, 41005, 62828, 66670, 78535, 82010, 133340, 157070, 164020, 314140, 926713, 1853426, 3706852, 4633565, 9267130, 18534260]

約数ペア:

[(1, 18534260), (2, 9267130), (4, 4633565), (5, 3706852), (10, 1853426), (20, 926713), (59, 314140), (113, 164020), (118, 157070), (139, 133340), (226, 82010), (236, 78535), (278, 66670), (295, 62828), (452, 41005), (556, 33335), (565, 32804), (590, 31414), (695, 26668), (1130, 16402), (1180, 15707), (1390, 13334), (2260, 8201), (2780, 6667)]