19030310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 20886490

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 79, 85, 109, 130, 158, 170, 218, 221, 395, 442, 545, 790, 1027, 1090, 1105, 1343, 1417, 1853, 2054, 2210, 2686, 2834, 3706, 5135, 6715, 7085, 8611, 9265, 10270, 13430, 14170, 17222, 17459, 18530, 24089, 34918, 43055, 48178, 86110, 87295, 111943, 120445, 146387, 174590, 223886, 240890, 292774, 559715, 731935, 1119430, 1463870, 1903031, 3806062, 9515155, 19030310]

約数ペア:

[(1, 19030310), (2, 9515155), (5, 3806062), (10, 1903031), (13, 1463870), (17, 1119430), (26, 731935), (34, 559715), (65, 292774), (79, 240890), (85, 223886), (109, 174590), (130, 146387), (158, 120445), (170, 111943), (218, 87295), (221, 86110), (395, 48178), (442, 43055), (545, 34918), (790, 24089), (1027, 18530), (1090, 17459), (1105, 17222), (1343, 14170), (1417, 13430), (1853, 10270), (2054, 9265), (2210, 8611), (2686, 7085), (2834, 6715), (3706, 5135)]