19825380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 60907392

約数和(自身を除く): 41082012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1327, 1494, 1660, 2490, 2654, 2988, 3735, 3981, 4980, 5308, 6635, 7470, 7962, 11943, 13270, 14940, 15924, 19905, 23886, 26540, 39810, 47772, 59715, 79620, 110141, 119430, 220282, 238860, 330423, 440564, 550705, 660846, 991269, 1101410, 1321692, 1652115, 1982538, 2202820, 3304230, 3965076, 4956345, 6608460, 9912690, 19825380]

約数ペア:

[(1, 19825380), (2, 9912690), (3, 6608460), (4, 4956345), (5, 3965076), (6, 3304230), (9, 2202820), (10, 1982538), (12, 1652115), (15, 1321692), (18, 1101410), (20, 991269), (30, 660846), (36, 550705), (45, 440564), (60, 330423), (83, 238860), (90, 220282), (166, 119430), (180, 110141), (249, 79620), (332, 59715), (415, 47772), (498, 39810), (747, 26540), (830, 23886), (996, 19905), (1245, 15924), (1327, 14940), (1494, 13270), (1660, 11943), (2490, 7962), (2654, 7470), (2988, 6635), (3735, 5308), (3981, 4980)]