19586320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 50465520

約数和(自身を除く): 30879200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 509, 520, 592, 740, 962, 1018, 1040, 1480, 1924, 2036, 2405, 2545, 2960, 3848, 4072, 4810, 5090, 6617, 7696, 8144, 9620, 10180, 13234, 18833, 19240, 20360, 26468, 33085, 37666, 38480, 40720, 52936, 66170, 75332, 94165, 105872, 132340, 150664, 188330, 244829, 264680, 301328, 376660, 489658, 529360, 753320, 979316, 1224145, 1506640, 1958632, 2448290, 3917264, 4896580, 9793160, 19586320]

約数ペア:

[(1, 19586320), (2, 9793160), (4, 4896580), (5, 3917264), (8, 2448290), (10, 1958632), (13, 1506640), (16, 1224145), (20, 979316), (26, 753320), (37, 529360), (40, 489658), (52, 376660), (65, 301328), (74, 264680), (80, 244829), (104, 188330), (130, 150664), (148, 132340), (185, 105872), (208, 94165), (260, 75332), (296, 66170), (370, 52936), (481, 40720), (509, 38480), (520, 37666), (592, 33085), (740, 26468), (962, 20360), (1018, 19240), (1040, 18833), (1480, 13234), (1924, 10180), (2036, 9620), (2405, 8144), (2545, 7696), (2960, 6617), (3848, 5090), (4072, 4810)]