18128698

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 34893504

約数和(自身を除く): 16764806

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 211, 238, 266, 323, 361, 422, 646, 722, 1477, 2261, 2527, 2954, 3587, 4009, 4522, 5054, 6137, 7174, 8018, 12274, 25109, 28063, 42959, 50218, 56126, 68153, 76171, 85918, 136306, 152342, 477071, 533197, 954142, 1066394, 1294907, 2589814, 9064349, 18128698]

約数ペア:

[(1, 18128698), (2, 9064349), (7, 2589814), (14, 1294907), (17, 1066394), (19, 954142), (34, 533197), (38, 477071), (119, 152342), (133, 136306), (211, 85918), (238, 76171), (266, 68153), (323, 56126), (361, 50218), (422, 42959), (646, 28063), (722, 25109), (1477, 12274), (2261, 8018), (2527, 7174), (2954, 6137), (3587, 5054), (4009, 4522)]