18679668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 53673984

約数和(自身を除く): 34994316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 103, 119, 127, 204, 206, 238, 254, 309, 357, 381, 412, 476, 508, 618, 714, 721, 762, 889, 1236, 1428, 1442, 1524, 1751, 1778, 2159, 2163, 2667, 2884, 3502, 3556, 4318, 4326, 5253, 5334, 6477, 7004, 8636, 8652, 10506, 10668, 12257, 12954, 13081, 15113, 21012, 24514, 25908, 26162, 30226, 36771, 39243, 45339, 49028, 52324, 60452, 73542, 78486, 90678, 91567, 147084, 156972, 181356, 183134, 222377, 274701, 366268, 444754, 549402, 667131, 889508, 1098804, 1334262, 1556639, 2668524, 3113278, 4669917, 6226556, 9339834, 18679668]

約数ペア:

[(1, 18679668), (2, 9339834), (3, 6226556), (4, 4669917), (6, 3113278), (7, 2668524), (12, 1556639), (14, 1334262), (17, 1098804), (21, 889508), (28, 667131), (34, 549402), (42, 444754), (51, 366268), (68, 274701), (84, 222377), (102, 183134), (103, 181356), (119, 156972), (127, 147084), (204, 91567), (206, 90678), (238, 78486), (254, 73542), (309, 60452), (357, 52324), (381, 49028), (412, 45339), (476, 39243), (508, 36771), (618, 30226), (714, 26162), (721, 25908), (762, 24514), (889, 21012), (1236, 15113), (1428, 13081), (1442, 12954), (1524, 12257), (1751, 10668), (1778, 10506), (2159, 8652), (2163, 8636), (2667, 7004), (2884, 6477), (3502, 5334), (3556, 5253), (4318, 4326)]