19144970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 40884480

約数和(自身を除く): 21739510

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 299, 337, 437, 494, 598, 674, 874, 1235, 1495, 1685, 2185, 2470, 2990, 3370, 4370, 4381, 5681, 6403, 7751, 8762, 11362, 12806, 15502, 21905, 28405, 32015, 38755, 43810, 56810, 64030, 77510, 83239, 100763, 147269, 166478, 201526, 294538, 416195, 503815, 736345, 832390, 1007630, 1472690, 1914497, 3828994, 9572485, 19144970]

約数ペア:

[(1, 19144970), (2, 9572485), (5, 3828994), (10, 1914497), (13, 1472690), (19, 1007630), (23, 832390), (26, 736345), (38, 503815), (46, 416195), (65, 294538), (95, 201526), (115, 166478), (130, 147269), (190, 100763), (230, 83239), (247, 77510), (299, 64030), (337, 56810), (437, 43810), (494, 38755), (598, 32015), (674, 28405), (874, 21905), (1235, 15502), (1495, 12806), (1685, 11362), (2185, 8762), (2470, 7751), (2990, 6403), (3370, 5681), (4370, 4381)]