18711672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 53944320

約数和(自身を除く): 35232648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 877, 889, 1016, 1524, 1754, 1778, 2631, 2667, 3048, 3508, 3556, 5262, 5334, 6139, 7016, 7112, 10524, 10668, 12278, 18417, 21048, 21336, 24556, 36834, 49112, 73668, 111379, 147336, 222758, 334137, 445516, 668274, 779653, 891032, 1336548, 1559306, 2338959, 2673096, 3118612, 4677918, 6237224, 9355836, 18711672]

約数ペア:

[(1, 18711672), (2, 9355836), (3, 6237224), (4, 4677918), (6, 3118612), (7, 2673096), (8, 2338959), (12, 1559306), (14, 1336548), (21, 891032), (24, 779653), (28, 668274), (42, 445516), (56, 334137), (84, 222758), (127, 147336), (168, 111379), (254, 73668), (381, 49112), (508, 36834), (762, 24556), (877, 21336), (889, 21048), (1016, 18417), (1524, 12278), (1754, 10668), (1778, 10524), (2631, 7112), (2667, 7016), (3048, 6139), (3508, 5334), (3556, 5262)]