19638090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 54587520

約数和(自身を除く): 34949430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 53, 69, 90, 106, 115, 138, 159, 179, 207, 230, 265, 318, 345, 358, 414, 477, 530, 537, 690, 795, 895, 954, 1035, 1074, 1219, 1590, 1611, 1790, 2070, 2385, 2438, 2685, 3222, 3657, 4117, 4770, 5370, 6095, 7314, 8055, 8234, 9487, 10971, 12190, 12351, 16110, 18285, 18974, 20585, 21942, 24702, 28461, 36570, 37053, 41170, 47435, 54855, 56922, 61755, 74106, 85383, 94870, 109710, 123510, 142305, 170766, 185265, 218201, 284610, 370530, 426915, 436402, 654603, 853830, 1091005, 1309206, 1963809, 2182010, 3273015, 3927618, 6546030, 9819045, 19638090]

約数ペア:

[(1, 19638090), (2, 9819045), (3, 6546030), (5, 3927618), (6, 3273015), (9, 2182010), (10, 1963809), (15, 1309206), (18, 1091005), (23, 853830), (30, 654603), (45, 436402), (46, 426915), (53, 370530), (69, 284610), (90, 218201), (106, 185265), (115, 170766), (138, 142305), (159, 123510), (179, 109710), (207, 94870), (230, 85383), (265, 74106), (318, 61755), (345, 56922), (358, 54855), (414, 47435), (477, 41170), (530, 37053), (537, 36570), (690, 28461), (795, 24702), (895, 21942), (954, 20585), (1035, 18974), (1074, 18285), (1219, 16110), (1590, 12351), (1611, 12190), (1790, 10971), (2070, 9487), (2385, 8234), (2438, 8055), (2685, 7314), (3222, 6095), (3657, 5370), (4117, 4770)]