18685150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 38689488

約数和(自身を除く): 20004338

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 265, 275, 530, 550, 583, 641, 1166, 1282, 1325, 2650, 2915, 3205, 5830, 6410, 7051, 14102, 14575, 16025, 29150, 32050, 33973, 35255, 67946, 70510, 169865, 176275, 339730, 352550, 373703, 747406, 849325, 1698650, 1868515, 3737030, 9342575, 18685150]

約数ペア:

[(1, 18685150), (2, 9342575), (5, 3737030), (10, 1868515), (11, 1698650), (22, 849325), (25, 747406), (50, 373703), (53, 352550), (55, 339730), (106, 176275), (110, 169865), (265, 70510), (275, 67946), (530, 35255), (550, 33973), (583, 32050), (641, 29150), (1166, 16025), (1282, 14575), (1325, 14102), (2650, 7051), (2915, 6410), (3205, 5830)]