18216950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 35764080

約数和(自身を除く): 17547130

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 74, 86, 185, 215, 229, 370, 430, 458, 925, 1075, 1145, 1591, 1850, 2150, 2290, 3182, 5725, 7955, 8473, 9847, 11450, 15910, 16946, 19694, 39775, 42365, 49235, 79550, 84730, 98470, 211825, 246175, 364339, 423650, 492350, 728678, 1821695, 3643390, 9108475, 18216950]

約数ペア:

[(1, 18216950), (2, 9108475), (5, 3643390), (10, 1821695), (25, 728678), (37, 492350), (43, 423650), (50, 364339), (74, 246175), (86, 211825), (185, 98470), (215, 84730), (229, 79550), (370, 49235), (430, 42365), (458, 39775), (925, 19694), (1075, 16946), (1145, 15910), (1591, 11450), (1850, 9847), (2150, 8473), (2290, 7955), (3182, 5725)]