18742380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1307}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 52738560

約数和(自身を除く): 33996180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1307, 1434, 2390, 2614, 2868, 3585, 3921, 4780, 5228, 6535, 7170, 7842, 13070, 14340, 15684, 19605, 26140, 39210, 78420, 312373, 624746, 937119, 1249492, 1561865, 1874238, 3123730, 3748476, 4685595, 6247460, 9371190, 18742380]

約数ペア:

[(1, 18742380), (2, 9371190), (3, 6247460), (4, 4685595), (5, 3748476), (6, 3123730), (10, 1874238), (12, 1561865), (15, 1249492), (20, 937119), (30, 624746), (60, 312373), (239, 78420), (478, 39210), (717, 26140), (956, 19605), (1195, 15684), (1307, 14340), (1434, 13070), (2390, 7842), (2614, 7170), (2868, 6535), (3585, 5228), (3921, 4780)]