18685920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3539}}^1$

素因数の和:3568

約数の個数: 96

約数和(自身を含む): 64229760

約数和(自身を除く): 45543840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3539, 5280, 7078, 10617, 14156, 17695, 21234, 28312, 35390, 38929, 42468, 53085, 56624, 70780, 77858, 84936, 106170, 113248, 116787, 141560, 155716, 169872, 194645, 212340, 233574, 283120, 311432, 339744, 389290, 424680, 467148, 566240, 583935, 622864, 778580, 849360, 934296, 1167870, 1245728, 1557160, 1698720, 1868592, 2335740, 3114320, 3737184, 4671480, 6228640, 9342960, 18685920]

約数ペア:

[(1, 18685920), (2, 9342960), (3, 6228640), (4, 4671480), (5, 3737184), (6, 3114320), (8, 2335740), (10, 1868592), (11, 1698720), (12, 1557160), (15, 1245728), (16, 1167870), (20, 934296), (22, 849360), (24, 778580), (30, 622864), (32, 583935), (33, 566240), (40, 467148), (44, 424680), (48, 389290), (55, 339744), (60, 311432), (66, 283120), (80, 233574), (88, 212340), (96, 194645), (110, 169872), (120, 155716), (132, 141560), (160, 116787), (165, 113248), (176, 106170), (220, 84936), (240, 77858), (264, 70780), (330, 56624), (352, 53085), (440, 42468), (480, 38929), (528, 35390), (660, 28312), (880, 21234), (1056, 17695), (1320, 14156), (1760, 10617), (2640, 7078), (3539, 5280)]