19672770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 51617664

約数和(自身を除く): 31944894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 146, 195, 219, 365, 390, 438, 691, 730, 949, 1095, 1382, 1898, 2073, 2190, 2847, 3455, 4146, 4745, 5694, 6910, 8983, 9490, 10365, 14235, 17966, 20730, 26949, 28470, 44915, 50443, 53898, 89830, 100886, 134745, 151329, 252215, 269490, 302658, 504430, 655759, 756645, 1311518, 1513290, 1967277, 3278795, 3934554, 6557590, 9836385, 19672770]

約数ペア:

[(1, 19672770), (2, 9836385), (3, 6557590), (5, 3934554), (6, 3278795), (10, 1967277), (13, 1513290), (15, 1311518), (26, 756645), (30, 655759), (39, 504430), (65, 302658), (73, 269490), (78, 252215), (130, 151329), (146, 134745), (195, 100886), (219, 89830), (365, 53898), (390, 50443), (438, 44915), (691, 28470), (730, 26949), (949, 20730), (1095, 17966), (1382, 14235), (1898, 10365), (2073, 9490), (2190, 8983), (2847, 6910), (3455, 5694), (4146, 4745)]