18979620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 58665600

約数和(自身を除く): 39685980

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 149, 165, 193, 220, 298, 330, 386, 447, 579, 596, 660, 745, 772, 894, 965, 1158, 1490, 1639, 1788, 1930, 2123, 2235, 2316, 2895, 2980, 3278, 3860, 4246, 4470, 4917, 5790, 6369, 6556, 8195, 8492, 8940, 9834, 10615, 11580, 12738, 16390, 19668, 21230, 24585, 25476, 28757, 31845, 32780, 42460, 49170, 57514, 63690, 86271, 98340, 115028, 127380, 143785, 172542, 287570, 316327, 345084, 431355, 575140, 632654, 862710, 948981, 1265308, 1581635, 1725420, 1897962, 3163270, 3795924, 4744905, 6326540, 9489810, 18979620]

約数ペア:

[(1, 18979620), (2, 9489810), (3, 6326540), (4, 4744905), (5, 3795924), (6, 3163270), (10, 1897962), (11, 1725420), (12, 1581635), (15, 1265308), (20, 948981), (22, 862710), (30, 632654), (33, 575140), (44, 431355), (55, 345084), (60, 316327), (66, 287570), (110, 172542), (132, 143785), (149, 127380), (165, 115028), (193, 98340), (220, 86271), (298, 63690), (330, 57514), (386, 49170), (447, 42460), (579, 32780), (596, 31845), (660, 28757), (745, 25476), (772, 24585), (894, 21230), (965, 19668), (1158, 16390), (1490, 12738), (1639, 11580), (1788, 10615), (1930, 9834), (2123, 8940), (2235, 8492), (2316, 8195), (2895, 6556), (2980, 6369), (3278, 5790), (3860, 4917), (4246, 4470)]