20190288

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 35788272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 109, 136, 204, 218, 227, 272, 327, 408, 436, 454, 654, 681, 816, 872, 908, 1308, 1362, 1744, 1816, 1853, 2616, 2724, 3632, 3706, 3859, 5232, 5448, 5559, 7412, 7718, 10896, 11118, 11577, 14824, 15436, 22236, 23154, 24743, 29648, 30872, 44472, 46308, 49486, 61744, 74229, 88944, 92616, 98972, 148458, 185232, 197944, 296916, 395888, 420631, 593832, 841262, 1187664, 1261893, 1682524, 2523786, 3365048, 5047572, 6730096, 10095144, 20190288]

約数ペア:

[(1, 20190288), (2, 10095144), (3, 6730096), (4, 5047572), (6, 3365048), (8, 2523786), (12, 1682524), (16, 1261893), (17, 1187664), (24, 841262), (34, 593832), (48, 420631), (51, 395888), (68, 296916), (102, 197944), (109, 185232), (136, 148458), (204, 98972), (218, 92616), (227, 88944), (272, 74229), (327, 61744), (408, 49486), (436, 46308), (454, 44472), (654, 30872), (681, 29648), (816, 24743), (872, 23154), (908, 22236), (1308, 15436), (1362, 14824), (1744, 11577), (1816, 11118), (1853, 10896), (2616, 7718), (2724, 7412), (3632, 5559), (3706, 5448), (3859, 5232)]