19557714

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 44974080

約数和(自身を除く): 25416366

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 79, 93, 121, 158, 186, 237, 242, 341, 363, 474, 682, 726, 869, 1023, 1331, 1738, 2046, 2449, 2607, 2662, 3751, 3993, 4898, 5214, 7347, 7502, 7986, 9559, 11253, 14694, 19118, 22506, 26939, 28677, 41261, 53878, 57354, 80817, 82522, 105149, 123783, 161634, 210298, 247566, 296329, 315447, 592658, 630894, 888987, 1777974, 3259619, 6519238, 9778857, 19557714]

約数ペア:

[(1, 19557714), (2, 9778857), (3, 6519238), (6, 3259619), (11, 1777974), (22, 888987), (31, 630894), (33, 592658), (62, 315447), (66, 296329), (79, 247566), (93, 210298), (121, 161634), (158, 123783), (186, 105149), (237, 82522), (242, 80817), (341, 57354), (363, 53878), (474, 41261), (682, 28677), (726, 26939), (869, 22506), (1023, 19118), (1331, 14694), (1738, 11253), (2046, 9559), (2449, 7986), (2607, 7502), (2662, 7347), (3751, 5214), (3993, 4898)]