19863140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 29778844

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 110, 113, 170, 187, 188, 220, 226, 235, 340, 374, 452, 470, 517, 565, 748, 799, 935, 940, 1034, 1130, 1243, 1598, 1870, 1921, 2068, 2260, 2486, 2585, 3196, 3740, 3842, 3995, 4972, 5170, 5311, 6215, 7684, 7990, 8789, 9605, 10340, 10622, 12430, 15980, 17578, 19210, 21131, 21244, 24860, 26555, 35156, 38420, 42262, 43945, 53110, 58421, 84524, 87890, 90287, 105655, 106220, 116842, 175780, 180574, 211310, 233684, 292105, 361148, 422620, 451435, 584210, 902870, 993157, 1168420, 1805740, 1986314, 3972628, 4965785, 9931570, 19863140]

約数ペア:

[(1, 19863140), (2, 9931570), (4, 4965785), (5, 3972628), (10, 1986314), (11, 1805740), (17, 1168420), (20, 993157), (22, 902870), (34, 584210), (44, 451435), (47, 422620), (55, 361148), (68, 292105), (85, 233684), (94, 211310), (110, 180574), (113, 175780), (170, 116842), (187, 106220), (188, 105655), (220, 90287), (226, 87890), (235, 84524), (340, 58421), (374, 53110), (452, 43945), (470, 42262), (517, 38420), (565, 35156), (748, 26555), (799, 24860), (935, 21244), (940, 21131), (1034, 19210), (1130, 17578), (1243, 15980), (1598, 12430), (1870, 10622), (1921, 10340), (2068, 9605), (2260, 8789), (2486, 7990), (2585, 7684), (3196, 6215), (3740, 5311), (3842, 5170), (3995, 4972)]