18617785780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1\times {\mathrm{1381}}^1$

素因数の和:1897

約数の個数: 96

約数和(自身を含む): 43028713728

約数和(自身を除く): 24410927948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 233, 263, 466, 526, 932, 1052, 1165, 1315, 1381, 2330, 2563, 2630, 2762, 2893, 4660, 5126, 5260, 5524, 5786, 6905, 10252, 11572, 12815, 13810, 14465, 15191, 25630, 27620, 28930, 30382, 51260, 57860, 60764, 61279, 75955, 122558, 151910, 245116, 303820, 306395, 321773, 363203, 612790, 643546, 674069, 726406, 1225580, 1287092, 1348138, 1452812, 1608865, 1816015, 2696276, 3217730, 3370345, 3539503, 3632030, 3995233, 6435460, 6740690, 7079006, 7264060, 7990466, 13481380, 14158012, 15980932, 17697515, 19976165, 35395030, 39952330, 70790060, 79904660, 84626299, 169252598, 338505196, 423131495, 846262990, 930889289, 1692525980, 1861778578, 3723557156, 4654446445, 9308892890, 18617785780]

約数ペア:

[(1, 18617785780), (2, 9308892890), (4, 4654446445), (5, 3723557156), (10, 1861778578), (11, 1692525980), (20, 930889289), (22, 846262990), (44, 423131495), (55, 338505196), (110, 169252598), (220, 84626299), (233, 79904660), (263, 70790060), (466, 39952330), (526, 35395030), (932, 19976165), (1052, 17697515), (1165, 15980932), (1315, 14158012), (1381, 13481380), (2330, 7990466), (2563, 7264060), (2630, 7079006), (2762, 6740690), (2893, 6435460), (4660, 3995233), (5126, 3632030), (5260, 3539503), (5524, 3370345), (5786, 3217730), (6905, 2696276), (10252, 1816015), (11572, 1608865), (12815, 1452812), (13810, 1348138), (14465, 1287092), (15191, 1225580), (25630, 726406), (27620, 674069), (28930, 643546), (30382, 612790), (51260, 363203), (57860, 321773), (60764, 306395), (61279, 303820), (75955, 245116), (122558, 151910)]