18739464

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30508536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 296, 376, 444, 449, 564, 888, 898, 1128, 1347, 1739, 1796, 2694, 3478, 3592, 5217, 5388, 6956, 10434, 10776, 13912, 16613, 20868, 21103, 33226, 41736, 42206, 49839, 63309, 66452, 84412, 99678, 126618, 132904, 168824, 199356, 253236, 398712, 506472, 780811, 1561622, 2342433, 3123244, 4684866, 6246488, 9369732, 18739464]

約数ペア:

[(1, 18739464), (2, 9369732), (3, 6246488), (4, 4684866), (6, 3123244), (8, 2342433), (12, 1561622), (24, 780811), (37, 506472), (47, 398712), (74, 253236), (94, 199356), (111, 168824), (141, 132904), (148, 126618), (188, 99678), (222, 84412), (282, 66452), (296, 63309), (376, 49839), (444, 42206), (449, 41736), (564, 33226), (888, 21103), (898, 20868), (1128, 16613), (1347, 13912), (1739, 10776), (1796, 10434), (2694, 6956), (3478, 5388), (3592, 5217)]