18212124

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 50561280

約数和(自身を除く): 32349156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 659, 987, 1316, 1318, 1974, 1977, 2303, 2636, 3948, 3954, 4606, 4613, 6909, 7908, 9212, 9226, 13818, 13839, 18452, 27636, 27678, 30973, 32291, 55356, 61946, 64582, 92919, 96873, 123892, 129164, 185838, 193746, 216811, 371676, 387492, 433622, 650433, 867244, 1300866, 1517677, 2601732, 3035354, 4553031, 6070708, 9106062, 18212124]

約数ペア:

[(1, 18212124), (2, 9106062), (3, 6070708), (4, 4553031), (6, 3035354), (7, 2601732), (12, 1517677), (14, 1300866), (21, 867244), (28, 650433), (42, 433622), (47, 387492), (49, 371676), (84, 216811), (94, 193746), (98, 185838), (141, 129164), (147, 123892), (188, 96873), (196, 92919), (282, 64582), (294, 61946), (329, 55356), (564, 32291), (588, 30973), (658, 27678), (659, 27636), (987, 18452), (1316, 13839), (1318, 13818), (1974, 9226), (1977, 9212), (2303, 7908), (2636, 6909), (3948, 4613), (3954, 4606)]