18342540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 56045808

約数和(自身を除く): 37703268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 563, 724, 905, 1086, 1126, 1629, 1689, 1810, 2172, 2252, 2715, 2815, 3258, 3378, 3620, 5067, 5430, 5630, 6516, 6756, 8145, 8445, 10134, 10860, 11260, 16290, 16890, 20268, 25335, 32580, 33780, 50670, 101340, 101903, 203806, 305709, 407612, 509515, 611418, 917127, 1019030, 1222836, 1528545, 1834254, 2038060, 3057090, 3668508, 4585635, 6114180, 9171270, 18342540]

約数ペア:

[(1, 18342540), (2, 9171270), (3, 6114180), (4, 4585635), (5, 3668508), (6, 3057090), (9, 2038060), (10, 1834254), (12, 1528545), (15, 1222836), (18, 1019030), (20, 917127), (30, 611418), (36, 509515), (45, 407612), (60, 305709), (90, 203806), (180, 101903), (181, 101340), (362, 50670), (543, 33780), (563, 32580), (724, 25335), (905, 20268), (1086, 16890), (1126, 16290), (1629, 11260), (1689, 10860), (1810, 10134), (2172, 8445), (2252, 8145), (2715, 6756), (2815, 6516), (3258, 5630), (3378, 5430), (3620, 5067)]