18508701708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1562707}}^1$

素因数の和:1562771

約数の個数: 72

約数和(自身を含む): 54607268352

約数和(自身を除く): 36098566644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2961, 3948, 5922, 11844, 1562707, 3125414, 4688121, 6250828, 9376242, 10938949, 14064363, 18752484, 21877898, 28128726, 32816847, 43755796, 56257452, 65633694, 73447229, 98450541, 131267388, 146894458, 196901082, 220341687, 293788916, 393802164, 440683374, 514130603, 661025061, 881366748, 1028261206, 1322050122, 1542391809, 2056522412, 2644100244, 3084783618, 4627175427, 6169567236, 9254350854, 18508701708]

約数ペア:

[(1, 18508701708), (2, 9254350854), (3, 6169567236), (4, 4627175427), (6, 3084783618), (7, 2644100244), (9, 2056522412), (12, 1542391809), (14, 1322050122), (18, 1028261206), (21, 881366748), (28, 661025061), (36, 514130603), (42, 440683374), (47, 393802164), (63, 293788916), (84, 220341687), (94, 196901082), (126, 146894458), (141, 131267388), (188, 98450541), (252, 73447229), (282, 65633694), (329, 56257452), (423, 43755796), (564, 32816847), (658, 28128726), (846, 21877898), (987, 18752484), (1316, 14064363), (1692, 10938949), (1974, 9376242), (2961, 6250828), (3948, 4688121), (5922, 3125414), (11844, 1562707)]