19431711

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 14437089

約数列:

[1, 3, 9, 13, 23, 27, 29, 39, 69, 83, 87, 117, 207, 249, 261, 299, 351, 377, 621, 667, 747, 783, 897, 1079, 1131, 1909, 2001, 2241, 2407, 2691, 3237, 3393, 5727, 6003, 7221, 8073, 8671, 9711, 10179, 17181, 18009, 21663, 24817, 26013, 29133, 31291, 51543, 55361, 64989, 74451, 78039, 93873, 166083, 223353, 234117, 281619, 498249, 670059, 719693, 844857, 1494747, 2159079, 6477237, 19431711]

約数ペア:

[(1, 19431711), (3, 6477237), (9, 2159079), (13, 1494747), (23, 844857), (27, 719693), (29, 670059), (39, 498249), (69, 281619), (83, 234117), (87, 223353), (117, 166083), (207, 93873), (249, 78039), (261, 74451), (299, 64989), (351, 55361), (377, 51543), (621, 31291), (667, 29133), (747, 26013), (783, 24817), (897, 21663), (1079, 18009), (1131, 17181), (1909, 10179), (2001, 9711), (2241, 8671), (2407, 8073), (2691, 7221), (3237, 6003), (3393, 5727)]