19907796

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 48742848

約数和(自身を除く): 28835052

約数列:

[1, 2, 3, 4, 6, 12, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 492, 516, 941, 1763, 1882, 2823, 3526, 3764, 5289, 5646, 7052, 10578, 11292, 21156, 38581, 40463, 77162, 80926, 115743, 121389, 154324, 161852, 231486, 242778, 462972, 485556, 1658983, 3317966, 4976949, 6635932, 9953898, 19907796]

約数ペア:

[(1, 19907796), (2, 9953898), (3, 6635932), (4, 4976949), (6, 3317966), (12, 1658983), (41, 485556), (43, 462972), (82, 242778), (86, 231486), (123, 161852), (129, 154324), (164, 121389), (172, 115743), (246, 80926), (258, 77162), (492, 40463), (516, 38581), (941, 21156), (1763, 11292), (1882, 10578), (2823, 7052), (3526, 5646), (3764, 5289)]