18894630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 47190528

約数和(自身を除く): 28295898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 97, 129, 151, 194, 215, 258, 291, 302, 430, 453, 485, 582, 645, 755, 906, 970, 1290, 1455, 1510, 2265, 2910, 4171, 4530, 6493, 8342, 12513, 12986, 14647, 19479, 20855, 25026, 29294, 32465, 38958, 41710, 43941, 62565, 64930, 73235, 87882, 97395, 125130, 146470, 194790, 219705, 439410, 629821, 1259642, 1889463, 3149105, 3778926, 6298210, 9447315, 18894630]

約数ペア:

[(1, 18894630), (2, 9447315), (3, 6298210), (5, 3778926), (6, 3149105), (10, 1889463), (15, 1259642), (30, 629821), (43, 439410), (86, 219705), (97, 194790), (129, 146470), (151, 125130), (194, 97395), (215, 87882), (258, 73235), (291, 64930), (302, 62565), (430, 43941), (453, 41710), (485, 38958), (582, 32465), (645, 29294), (755, 25026), (906, 20855), (970, 19479), (1290, 14647), (1455, 12986), (1510, 12513), (2265, 8342), (2910, 6493), (4171, 4530)]