19663160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 33213640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 29, 40, 44, 46, 55, 58, 67, 88, 92, 110, 115, 116, 134, 145, 184, 220, 230, 232, 253, 268, 290, 319, 335, 440, 460, 506, 536, 580, 638, 667, 670, 737, 920, 1012, 1160, 1265, 1276, 1334, 1340, 1474, 1541, 1595, 1943, 2024, 2530, 2552, 2668, 2680, 2948, 3082, 3190, 3335, 3685, 3886, 5060, 5336, 5896, 6164, 6380, 6670, 7337, 7370, 7705, 7772, 9715, 10120, 12328, 12760, 13340, 14674, 14740, 15410, 15544, 16951, 19430, 21373, 26680, 29348, 29480, 30820, 33902, 36685, 38860, 42746, 44689, 58696, 61640, 67804, 73370, 77720, 84755, 85492, 89378, 106865, 135608, 146740, 169510, 170984, 178756, 213730, 223445, 293480, 339020, 357512, 427460, 446890, 491579, 678040, 854920, 893780, 983158, 1787560, 1966316, 2457895, 3932632, 4915790, 9831580, 19663160]

約数ペア:

[(1, 19663160), (2, 9831580), (4, 4915790), (5, 3932632), (8, 2457895), (10, 1966316), (11, 1787560), (20, 983158), (22, 893780), (23, 854920), (29, 678040), (40, 491579), (44, 446890), (46, 427460), (55, 357512), (58, 339020), (67, 293480), (88, 223445), (92, 213730), (110, 178756), (115, 170984), (116, 169510), (134, 146740), (145, 135608), (184, 106865), (220, 89378), (230, 85492), (232, 84755), (253, 77720), (268, 73370), (290, 67804), (319, 61640), (335, 58696), (440, 44689), (460, 42746), (506, 38860), (536, 36685), (580, 33902), (638, 30820), (667, 29480), (670, 29348), (737, 26680), (920, 21373), (1012, 19430), (1160, 16951), (1265, 15544), (1276, 15410), (1334, 14740), (1340, 14674), (1474, 13340), (1541, 12760), (1595, 12328), (1943, 10120), (2024, 9715), (2530, 7772), (2552, 7705), (2668, 7370), (2680, 7337), (2948, 6670), (3082, 6380), (3190, 6164), (3335, 5896), (3685, 5336), (3886, 5060)]