19717488

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 120

約数和(自身を含む): 65202176

約数和(自身を除く): 45484688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 631, 651, 744, 868, 1008, 1116, 1262, 1302, 1488, 1736, 1893, 1953, 2232, 2524, 2604, 3472, 3786, 3906, 4417, 4464, 5048, 5208, 5679, 7572, 7812, 8834, 10096, 10416, 11358, 13251, 15144, 15624, 17668, 19561, 22716, 26502, 30288, 31248, 35336, 39122, 39753, 45432, 53004, 58683, 70672, 78244, 79506, 90864, 106008, 117366, 136927, 156488, 159012, 176049, 212016, 234732, 273854, 312976, 318024, 352098, 410781, 469464, 547708, 636048, 704196, 821562, 938928, 1095416, 1232343, 1408392, 1643124, 2190832, 2464686, 2816784, 3286248, 4929372, 6572496, 9858744, 19717488]

約数ペア:

[(1, 19717488), (2, 9858744), (3, 6572496), (4, 4929372), (6, 3286248), (7, 2816784), (8, 2464686), (9, 2190832), (12, 1643124), (14, 1408392), (16, 1232343), (18, 1095416), (21, 938928), (24, 821562), (28, 704196), (31, 636048), (36, 547708), (42, 469464), (48, 410781), (56, 352098), (62, 318024), (63, 312976), (72, 273854), (84, 234732), (93, 212016), (112, 176049), (124, 159012), (126, 156488), (144, 136927), (168, 117366), (186, 106008), (217, 90864), (248, 79506), (252, 78244), (279, 70672), (336, 58683), (372, 53004), (434, 45432), (496, 39753), (504, 39122), (558, 35336), (631, 31248), (651, 30288), (744, 26502), (868, 22716), (1008, 19561), (1116, 17668), (1262, 15624), (1302, 15144), (1488, 13251), (1736, 11358), (1893, 10416), (1953, 10096), (2232, 8834), (2524, 7812), (2604, 7572), (3472, 5679), (3786, 5208), (3906, 5048), (4417, 4464)]