18587868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 50916096

約数和(自身を除く): 32328228

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 43, 51, 52, 68, 78, 86, 102, 129, 156, 163, 172, 204, 221, 258, 326, 442, 489, 516, 559, 652, 663, 731, 884, 978, 1118, 1326, 1462, 1677, 1956, 2119, 2193, 2236, 2652, 2771, 2924, 3354, 4238, 4386, 5542, 6357, 6708, 7009, 8313, 8476, 8772, 9503, 11084, 12714, 14018, 16626, 19006, 21027, 25428, 28036, 28509, 33252, 36023, 38012, 42054, 57018, 72046, 84108, 91117, 108069, 114036, 119153, 144092, 182234, 216138, 238306, 273351, 357459, 364468, 432276, 476612, 546702, 714918, 1093404, 1429836, 1548989, 3097978, 4646967, 6195956, 9293934, 18587868]

約数ペア:

[(1, 18587868), (2, 9293934), (3, 6195956), (4, 4646967), (6, 3097978), (12, 1548989), (13, 1429836), (17, 1093404), (26, 714918), (34, 546702), (39, 476612), (43, 432276), (51, 364468), (52, 357459), (68, 273351), (78, 238306), (86, 216138), (102, 182234), (129, 144092), (156, 119153), (163, 114036), (172, 108069), (204, 91117), (221, 84108), (258, 72046), (326, 57018), (442, 42054), (489, 38012), (516, 36023), (559, 33252), (652, 28509), (663, 28036), (731, 25428), (884, 21027), (978, 19006), (1118, 16626), (1326, 14018), (1462, 12714), (1677, 11084), (1956, 9503), (2119, 8772), (2193, 8476), (2236, 8313), (2652, 7009), (2771, 6708), (2924, 6357), (3354, 5542), (4238, 4386)]