19523880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 64008360

約数和(自身を除く): 44484480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 193, 281, 360, 386, 562, 579, 772, 843, 965, 1124, 1158, 1405, 1544, 1686, 1737, 1930, 2248, 2316, 2529, 2810, 2895, 3372, 3474, 3860, 4215, 4632, 5058, 5620, 5790, 6744, 6948, 7720, 8430, 8685, 10116, 11240, 11580, 12645, 13896, 16860, 17370, 20232, 23160, 25290, 33720, 34740, 50580, 54233, 69480, 101160, 108466, 162699, 216932, 271165, 325398, 433864, 488097, 542330, 650796, 813495, 976194, 1084660, 1301592, 1626990, 1952388, 2169320, 2440485, 3253980, 3904776, 4880970, 6507960, 9761940, 19523880]

約数ペア:

[(1, 19523880), (2, 9761940), (3, 6507960), (4, 4880970), (5, 3904776), (6, 3253980), (8, 2440485), (9, 2169320), (10, 1952388), (12, 1626990), (15, 1301592), (18, 1084660), (20, 976194), (24, 813495), (30, 650796), (36, 542330), (40, 488097), (45, 433864), (60, 325398), (72, 271165), (90, 216932), (120, 162699), (180, 108466), (193, 101160), (281, 69480), (360, 54233), (386, 50580), (562, 34740), (579, 33720), (772, 25290), (843, 23160), (965, 20232), (1124, 17370), (1158, 16860), (1405, 13896), (1544, 12645), (1686, 11580), (1737, 11240), (1930, 10116), (2248, 8685), (2316, 8430), (2529, 7720), (2810, 6948), (2895, 6744), (3372, 5790), (3474, 5620), (3860, 5058), (4215, 4632)]