18957780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35107}}^1$

素因数の和:35125

約数の個数: 48

約数和(自身を含む): 58981440

約数和(自身を除く): 40023660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35107, 70214, 105321, 140428, 175535, 210642, 315963, 351070, 421284, 526605, 631926, 702140, 947889, 1053210, 1263852, 1579815, 1895778, 2106420, 3159630, 3791556, 4739445, 6319260, 9478890, 18957780]

約数ペア:

[(1, 18957780), (2, 9478890), (3, 6319260), (4, 4739445), (5, 3791556), (6, 3159630), (9, 2106420), (10, 1895778), (12, 1579815), (15, 1263852), (18, 1053210), (20, 947889), (27, 702140), (30, 631926), (36, 526605), (45, 421284), (54, 351070), (60, 315963), (90, 210642), (108, 175535), (135, 140428), (180, 105321), (270, 70214), (540, 35107)]