18329350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 37153872

約数和(自身を除く): 18824522

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 173, 325, 326, 346, 650, 815, 865, 1630, 1730, 2119, 2249, 4075, 4238, 4325, 4498, 8150, 8650, 10595, 11245, 21190, 22490, 28199, 52975, 56225, 56398, 105950, 112450, 140995, 281990, 366587, 704975, 733174, 1409950, 1832935, 3665870, 9164675, 18329350]

約数ペア:

[(1, 18329350), (2, 9164675), (5, 3665870), (10, 1832935), (13, 1409950), (25, 733174), (26, 704975), (50, 366587), (65, 281990), (130, 140995), (163, 112450), (173, 105950), (325, 56398), (326, 56225), (346, 52975), (650, 28199), (815, 22490), (865, 21190), (1630, 11245), (1730, 10595), (2119, 8650), (2249, 8150), (4075, 4498), (4238, 4325)]