19118640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2153}}^1$

素因数の和:2206

約数の個数: 80

約数和(自身を含む): 60897888

約数和(自身を除く): 41779248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2153, 2220, 2960, 4306, 4440, 6459, 8612, 8880, 10765, 12918, 17224, 21530, 25836, 32295, 34448, 43060, 51672, 64590, 79661, 86120, 103344, 129180, 159322, 172240, 238983, 258360, 318644, 398305, 477966, 516720, 637288, 796610, 955932, 1194915, 1274576, 1593220, 1911864, 2389830, 3186440, 3823728, 4779660, 6372880, 9559320, 19118640]

約数ペア:

[(1, 19118640), (2, 9559320), (3, 6372880), (4, 4779660), (5, 3823728), (6, 3186440), (8, 2389830), (10, 1911864), (12, 1593220), (15, 1274576), (16, 1194915), (20, 955932), (24, 796610), (30, 637288), (37, 516720), (40, 477966), (48, 398305), (60, 318644), (74, 258360), (80, 238983), (111, 172240), (120, 159322), (148, 129180), (185, 103344), (222, 86120), (240, 79661), (296, 64590), (370, 51672), (444, 43060), (555, 34448), (592, 32295), (740, 25836), (888, 21530), (1110, 17224), (1480, 12918), (1776, 10765), (2153, 8880), (2220, 8612), (2960, 6459), (4306, 4440)]