18381468

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 51123072

約数和(自身を除く): 32741604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 727, 903, 1204, 1454, 1806, 2107, 2181, 2908, 3612, 4214, 4362, 5089, 6321, 8428, 8724, 10178, 12642, 15267, 20356, 25284, 30534, 31261, 35623, 61068, 62522, 71246, 93783, 106869, 125044, 142492, 187566, 213738, 218827, 375132, 427476, 437654, 656481, 875308, 1312962, 1531789, 2625924, 3063578, 4595367, 6127156, 9190734, 18381468]

約数ペア:

[(1, 18381468), (2, 9190734), (3, 6127156), (4, 4595367), (6, 3063578), (7, 2625924), (12, 1531789), (14, 1312962), (21, 875308), (28, 656481), (42, 437654), (43, 427476), (49, 375132), (84, 218827), (86, 213738), (98, 187566), (129, 142492), (147, 125044), (172, 106869), (196, 93783), (258, 71246), (294, 62522), (301, 61068), (516, 35623), (588, 31261), (602, 30534), (727, 25284), (903, 20356), (1204, 15267), (1454, 12642), (1806, 10178), (2107, 8724), (2181, 8428), (2908, 6321), (3612, 5089), (4214, 4362)]