18191850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5273}}^1$

素因数の和:5311

約数の個数: 48

約数和(自身を含む): 47086272

約数和(自身を除く): 28894422

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5273, 10546, 15819, 26365, 31638, 52730, 79095, 121279, 131825, 158190, 242558, 263650, 363837, 395475, 606395, 727674, 790950, 1212790, 1819185, 3031975, 3638370, 6063950, 9095925, 18191850]

約数ペア:

[(1, 18191850), (2, 9095925), (3, 6063950), (5, 3638370), (6, 3031975), (10, 1819185), (15, 1212790), (23, 790950), (25, 727674), (30, 606395), (46, 395475), (50, 363837), (69, 263650), (75, 242558), (115, 158190), (138, 131825), (150, 121279), (230, 79095), (345, 52730), (575, 31638), (690, 26365), (1150, 15819), (1725, 10546), (3450, 5273)]