31223916

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 83865600

約数和(自身を除く): 52641684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 191, 228, 239, 342, 382, 478, 573, 684, 717, 764, 956, 1146, 1434, 1719, 2151, 2292, 2868, 3438, 3629, 4302, 4541, 6876, 7258, 8604, 9082, 10887, 13623, 14516, 18164, 21774, 27246, 32661, 40869, 43548, 45649, 54492, 65322, 81738, 91298, 130644, 136947, 163476, 182596, 273894, 410841, 547788, 821682, 867331, 1643364, 1734662, 2601993, 3469324, 5203986, 7805979, 10407972, 15611958, 31223916]

約数ペア:

[(1, 31223916), (2, 15611958), (3, 10407972), (4, 7805979), (6, 5203986), (9, 3469324), (12, 2601993), (18, 1734662), (19, 1643364), (36, 867331), (38, 821682), (57, 547788), (76, 410841), (114, 273894), (171, 182596), (191, 163476), (228, 136947), (239, 130644), (342, 91298), (382, 81738), (478, 65322), (573, 54492), (684, 45649), (717, 43548), (764, 40869), (956, 32661), (1146, 27246), (1434, 21774), (1719, 18164), (2151, 14516), (2292, 13623), (2868, 10887), (3438, 9082), (3629, 8604), (4302, 7258), (4541, 6876)]