19724208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1314

約数の個数: 80

約数和(自身を含む): 59520000

約数和(自身を除く): 39795792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1249, 1316, 1974, 2256, 2498, 2632, 3747, 3948, 4996, 5264, 7494, 7896, 8743, 9992, 14988, 15792, 17486, 19984, 26229, 29976, 34972, 52458, 58703, 59952, 69944, 104916, 117406, 139888, 176109, 209832, 234812, 352218, 410921, 419664, 469624, 704436, 821842, 939248, 1232763, 1408872, 1643684, 2465526, 2817744, 3287368, 4931052, 6574736, 9862104, 19724208]

約数ペア:

[(1, 19724208), (2, 9862104), (3, 6574736), (4, 4931052), (6, 3287368), (7, 2817744), (8, 2465526), (12, 1643684), (14, 1408872), (16, 1232763), (21, 939248), (24, 821842), (28, 704436), (42, 469624), (47, 419664), (48, 410921), (56, 352218), (84, 234812), (94, 209832), (112, 176109), (141, 139888), (168, 117406), (188, 104916), (282, 69944), (329, 59952), (336, 58703), (376, 52458), (564, 34972), (658, 29976), (752, 26229), (987, 19984), (1128, 17486), (1249, 15792), (1316, 14988), (1974, 9992), (2256, 8743), (2498, 7896), (2632, 7494), (3747, 5264), (3948, 4996)]