18960930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 49513464

約数和(自身を除く): 30552534

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 457, 461, 914, 922, 1371, 1383, 2285, 2305, 2742, 2766, 4113, 4149, 4570, 4610, 6855, 6915, 8226, 8298, 13710, 13830, 20565, 20745, 41130, 41490, 210677, 421354, 632031, 1053385, 1264062, 1896093, 2106770, 3160155, 3792186, 6320310, 9480465, 18960930]

約数ペア:

[(1, 18960930), (2, 9480465), (3, 6320310), (5, 3792186), (6, 3160155), (9, 2106770), (10, 1896093), (15, 1264062), (18, 1053385), (30, 632031), (45, 421354), (90, 210677), (457, 41490), (461, 41130), (914, 20745), (922, 20565), (1371, 13830), (1383, 13710), (2285, 8298), (2305, 8226), (2742, 6915), (2766, 6855), (4113, 4610), (4149, 4570)]