18078642

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 40884480

約数和(自身を除く): 22805838

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 179, 181, 186, 279, 358, 362, 537, 543, 558, 1074, 1086, 1611, 1629, 3222, 3258, 5549, 5611, 11098, 11222, 16647, 16833, 32399, 33294, 33666, 49941, 50499, 64798, 97197, 99882, 100998, 194394, 291591, 583182, 1004369, 2008738, 3013107, 6026214, 9039321, 18078642]

約数ペア:

[(1, 18078642), (2, 9039321), (3, 6026214), (6, 3013107), (9, 2008738), (18, 1004369), (31, 583182), (62, 291591), (93, 194394), (179, 100998), (181, 99882), (186, 97197), (279, 64798), (358, 50499), (362, 49941), (537, 33666), (543, 33294), (558, 32399), (1074, 16833), (1086, 16647), (1611, 11222), (1629, 11098), (3222, 5611), (3258, 5549)]