19401539238

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{138739}}^1$

素因数の和:139221

約数の個数: 48

約数和(自身を含む): 44607129840

約数和(自身を除く): 25205590602

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 457, 914, 1371, 2742, 4113, 7769, 8226, 15538, 23307, 46614, 69921, 138739, 139842, 277478, 416217, 832434, 1248651, 2358563, 2497302, 4717126, 7075689, 14151378, 21227067, 42454134, 63403723, 126807446, 190211169, 380422338, 570633507, 1077863291, 1141267014, 2155726582, 3233589873, 6467179746, 9700769619, 19401539238]

約数ペア:

[(1, 19401539238), (2, 9700769619), (3, 6467179746), (6, 3233589873), (9, 2155726582), (17, 1141267014), (18, 1077863291), (34, 570633507), (51, 380422338), (102, 190211169), (153, 126807446), (306, 63403723), (457, 42454134), (914, 21227067), (1371, 14151378), (2742, 7075689), (4113, 4717126), (7769, 2497302), (8226, 2358563), (15538, 1248651), (23307, 832434), (46614, 416217), (69921, 277478), (138739, 139842)]