18219450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5281}}^1$

素因数の和:5319

約数の個数: 48

約数和(自身を含む): 47157696

約数和(自身を除く): 28938246

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, 5281, 10562, 15843, 26405, 31686, 52810, 79215, 121463, 132025, 158430, 242926, 264050, 364389, 396075, 607315, 728778, 792150, 1214630, 1821945, 3036575, 3643890, 6073150, 9109725, 18219450]

約数ペア:

[(1, 18219450), (2, 9109725), (3, 6073150), (5, 3643890), (6, 3036575), (10, 1821945), (15, 1214630), (23, 792150), (25, 728778), (30, 607315), (46, 396075), (50, 364389), (69, 264050), (75, 242926), (115, 158430), (138, 132025), (150, 121463), (230, 79215), (345, 52810), (575, 31686), (690, 26405), (1150, 15843), (1725, 10562), (3450, 5281)]