19690140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3067}}^1$

素因数の和:3186

約数の個数: 48

約数和(自身を含む): 55665792

約数和(自身を除く): 35975652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3067, 3210, 6134, 6420, 9201, 12268, 15335, 18402, 30670, 36804, 46005, 61340, 92010, 184020, 328169, 656338, 984507, 1312676, 1640845, 1969014, 3281690, 3938028, 4922535, 6563380, 9845070, 19690140]

約数ペア:

[(1, 19690140), (2, 9845070), (3, 6563380), (4, 4922535), (5, 3938028), (6, 3281690), (10, 1969014), (12, 1640845), (15, 1312676), (20, 984507), (30, 656338), (60, 328169), (107, 184020), (214, 92010), (321, 61340), (428, 46005), (535, 36804), (642, 30670), (1070, 18402), (1284, 15335), (1605, 12268), (2140, 9201), (3067, 6420), (3210, 6134)]