19222740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 58673160

約数和(自身を除く): 39450420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 397, 538, 794, 807, 1076, 1191, 1345, 1588, 1614, 1985, 2382, 2421, 2690, 3228, 3573, 3970, 4035, 4764, 4842, 5380, 5955, 7146, 7940, 8070, 9684, 11910, 12105, 14292, 16140, 17865, 23820, 24210, 35730, 48420, 71460, 106793, 213586, 320379, 427172, 533965, 640758, 961137, 1067930, 1281516, 1601895, 1922274, 2135860, 3203790, 3844548, 4805685, 6407580, 9611370, 19222740]

約数ペア:

[(1, 19222740), (2, 9611370), (3, 6407580), (4, 4805685), (5, 3844548), (6, 3203790), (9, 2135860), (10, 1922274), (12, 1601895), (15, 1281516), (18, 1067930), (20, 961137), (30, 640758), (36, 533965), (45, 427172), (60, 320379), (90, 213586), (180, 106793), (269, 71460), (397, 48420), (538, 35730), (794, 24210), (807, 23820), (1076, 17865), (1191, 16140), (1345, 14292), (1588, 12105), (1614, 11910), (1985, 9684), (2382, 8070), (2421, 7940), (2690, 7146), (3228, 5955), (3573, 5380), (3970, 4842), (4035, 4764)]