18128150

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 17494570

約数列:

[1, 2, 5, 10, 25, 37, 41, 50, 74, 82, 185, 205, 239, 370, 410, 478, 925, 1025, 1195, 1517, 1850, 2050, 2390, 3034, 5975, 7585, 8843, 9799, 11950, 15170, 17686, 19598, 37925, 44215, 48995, 75850, 88430, 97990, 221075, 244975, 362563, 442150, 489950, 725126, 1812815, 3625630, 9064075, 18128150]

約数ペア:

[(1, 18128150), (2, 9064075), (5, 3625630), (10, 1812815), (25, 725126), (37, 489950), (41, 442150), (50, 362563), (74, 244975), (82, 221075), (185, 97990), (205, 88430), (239, 75850), (370, 48995), (410, 44215), (478, 37925), (925, 19598), (1025, 17686), (1195, 15170), (1517, 11950), (1850, 9799), (2050, 8843), (2390, 7585), (3034, 5975)]