19882320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2239}}^1$

素因数の和:2292

約数の個数: 80

約数和(自身を含む): 63329280

約数和(自身を除く): 43446960

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, 2220, 2239, 2960, 4440, 4478, 6717, 8880, 8956, 11195, 13434, 17912, 22390, 26868, 33585, 35824, 44780, 53736, 67170, 82843, 89560, 107472, 134340, 165686, 179120, 248529, 268680, 331372, 414215, 497058, 537360, 662744, 828430, 994116, 1242645, 1325488, 1656860, 1988232, 2485290, 3313720, 3976464, 4970580, 6627440, 9941160, 19882320]

約数ペア:

[(1, 19882320), (2, 9941160), (3, 6627440), (4, 4970580), (5, 3976464), (6, 3313720), (8, 2485290), (10, 1988232), (12, 1656860), (15, 1325488), (16, 1242645), (20, 994116), (24, 828430), (30, 662744), (37, 537360), (40, 497058), (48, 414215), (60, 331372), (74, 268680), (80, 248529), (111, 179120), (120, 165686), (148, 134340), (185, 107472), (222, 89560), (240, 82843), (296, 67170), (370, 53736), (444, 44780), (555, 35824), (592, 33585), (740, 26868), (888, 22390), (1110, 17912), (1480, 13434), (1776, 11195), (2220, 8956), (2239, 8880), (2960, 6717), (4440, 4478)]