18983130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2521}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 45759168

約数和(自身を除く): 26776038

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2521, 3765, 5042, 7530, 7563, 12605, 15126, 25210, 37815, 75630, 632771, 1265542, 1898313, 3163855, 3796626, 6327710, 9491565, 18983130]

約数ペア:

[(1, 18983130), (2, 9491565), (3, 6327710), (5, 3796626), (6, 3163855), (10, 1898313), (15, 1265542), (30, 632771), (251, 75630), (502, 37815), (753, 25210), (1255, 15126), (1506, 12605), (2510, 7563), (2521, 7530), (3765, 5042)]