19700712

素因数分解:

$2^3\times 3^3\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 55104000

約数和(自身を除く): 35403288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 223, 409, 446, 669, 818, 892, 1227, 1338, 1636, 1784, 2007, 2454, 2676, 3272, 3681, 4014, 4908, 5352, 6021, 7362, 8028, 9816, 11043, 12042, 14724, 16056, 22086, 24084, 29448, 44172, 48168, 88344, 91207, 182414, 273621, 364828, 547242, 729656, 820863, 1094484, 1641726, 2188968, 2462589, 3283452, 4925178, 6566904, 9850356, 19700712]

約数ペア:

[(1, 19700712), (2, 9850356), (3, 6566904), (4, 4925178), (6, 3283452), (8, 2462589), (9, 2188968), (12, 1641726), (18, 1094484), (24, 820863), (27, 729656), (36, 547242), (54, 364828), (72, 273621), (108, 182414), (216, 91207), (223, 88344), (409, 48168), (446, 44172), (669, 29448), (818, 24084), (892, 22086), (1227, 16056), (1338, 14724), (1636, 12042), (1784, 11043), (2007, 9816), (2454, 8028), (2676, 7362), (3272, 6021), (3681, 5352), (4014, 4908)]