19065735

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 37683360

約数和(自身を除く): 18617625

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 109, 115, 117, 169, 195, 207, 299, 327, 345, 507, 545, 585, 845, 897, 981, 1035, 1417, 1495, 1521, 1635, 2507, 2535, 2691, 3887, 4251, 4485, 4905, 7085, 7521, 7605, 11661, 12535, 12753, 13455, 18421, 19435, 21255, 22563, 32591, 34983, 37605, 55263, 58305, 63765, 92105, 97773, 112815, 162955, 165789, 174915, 276315, 293319, 423683, 488865, 828945, 1271049, 1466595, 2118415, 3813147, 6355245, 19065735]

約数ペア:

[(1, 19065735), (3, 6355245), (5, 3813147), (9, 2118415), (13, 1466595), (15, 1271049), (23, 828945), (39, 488865), (45, 423683), (65, 293319), (69, 276315), (109, 174915), (115, 165789), (117, 162955), (169, 112815), (195, 97773), (207, 92105), (299, 63765), (327, 58305), (345, 55263), (507, 37605), (545, 34983), (585, 32591), (845, 22563), (897, 21255), (981, 19435), (1035, 18421), (1417, 13455), (1495, 12753), (1521, 12535), (1635, 11661), (2507, 7605), (2535, 7521), (2691, 7085), (3887, 4905), (4251, 4485)]