19963872

素因数分解:

$2^5\times 3^2\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:792

約数の個数: 72

約数和(自身を含む): 57408624

約数和(自身を除く): 37444752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 103, 144, 206, 288, 309, 412, 618, 673, 824, 927, 1236, 1346, 1648, 1854, 2019, 2472, 2692, 3296, 3708, 4038, 4944, 5384, 6057, 7416, 8076, 9888, 10768, 12114, 14832, 16152, 21536, 24228, 29664, 32304, 48456, 64608, 69319, 96912, 138638, 193824, 207957, 277276, 415914, 554552, 623871, 831828, 1109104, 1247742, 1663656, 2218208, 2495484, 3327312, 4990968, 6654624, 9981936, 19963872]

約数ペア:

[(1, 19963872), (2, 9981936), (3, 6654624), (4, 4990968), (6, 3327312), (8, 2495484), (9, 2218208), (12, 1663656), (16, 1247742), (18, 1109104), (24, 831828), (32, 623871), (36, 554552), (48, 415914), (72, 277276), (96, 207957), (103, 193824), (144, 138638), (206, 96912), (288, 69319), (309, 64608), (412, 48456), (618, 32304), (673, 29664), (824, 24228), (927, 21536), (1236, 16152), (1346, 14832), (1648, 12114), (1854, 10768), (2019, 9888), (2472, 8076), (2692, 7416), (3296, 6057), (3708, 5384), (4038, 4944)]