19188780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 58828224

約数和(自身を除く): 39639444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 195, 219, 260, 292, 337, 365, 390, 438, 674, 730, 780, 876, 949, 1011, 1095, 1348, 1460, 1685, 1898, 2022, 2190, 2847, 3370, 3796, 4044, 4380, 4381, 4745, 5055, 5694, 6740, 8762, 9490, 10110, 11388, 13143, 14235, 17524, 18980, 20220, 21905, 24601, 26286, 28470, 43810, 49202, 52572, 56940, 65715, 73803, 87620, 98404, 123005, 131430, 147606, 246010, 262860, 295212, 319813, 369015, 492020, 639626, 738030, 959439, 1279252, 1476060, 1599065, 1918878, 3198130, 3837756, 4797195, 6396260, 9594390, 19188780]

約数ペア:

[(1, 19188780), (2, 9594390), (3, 6396260), (4, 4797195), (5, 3837756), (6, 3198130), (10, 1918878), (12, 1599065), (13, 1476060), (15, 1279252), (20, 959439), (26, 738030), (30, 639626), (39, 492020), (52, 369015), (60, 319813), (65, 295212), (73, 262860), (78, 246010), (130, 147606), (146, 131430), (156, 123005), (195, 98404), (219, 87620), (260, 73803), (292, 65715), (337, 56940), (365, 52572), (390, 49202), (438, 43810), (674, 28470), (730, 26286), (780, 24601), (876, 21905), (949, 20220), (1011, 18980), (1095, 17524), (1348, 14235), (1460, 13143), (1685, 11388), (1898, 10110), (2022, 9490), (2190, 8762), (2847, 6740), (3370, 5694), (3796, 5055), (4044, 4745), (4380, 4381)]