18804907870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{72547}}^1$

素因数の和:72614

約数の個数: 72

約数和(自身を含む): 41162139144

約数和(自身を除く): 22357231274

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 529, 805, 1058, 1127, 1610, 2254, 2645, 3703, 5290, 5635, 7406, 11270, 18515, 25921, 37030, 51842, 72547, 129605, 145094, 259210, 362735, 507829, 725470, 1015658, 1668581, 2539145, 3337162, 3554803, 5078290, 7109606, 8342905, 11680067, 16685810, 17774015, 23360134, 35548030, 38377363, 58400335, 76754726, 81760469, 116800670, 163520938, 191886815, 268641541, 383773630, 408802345, 537283082, 817604690, 1343207705, 1880490787, 2686415410, 3760981574, 9402453935, 18804907870]

約数ペア:

[(1, 18804907870), (2, 9402453935), (5, 3760981574), (7, 2686415410), (10, 1880490787), (14, 1343207705), (23, 817604690), (35, 537283082), (46, 408802345), (49, 383773630), (70, 268641541), (98, 191886815), (115, 163520938), (161, 116800670), (230, 81760469), (245, 76754726), (322, 58400335), (490, 38377363), (529, 35548030), (805, 23360134), (1058, 17774015), (1127, 16685810), (1610, 11680067), (2254, 8342905), (2645, 7109606), (3703, 5078290), (5290, 3554803), (5635, 3337162), (7406, 2539145), (11270, 1668581), (18515, 1015658), (25921, 725470), (37030, 507829), (51842, 362735), (72547, 259210), (129605, 145094)]