12239648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 26036640

約数和(自身を除く): 13796992

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 491, 608, 656, 779, 982, 1312, 1558, 1964, 3116, 3928, 6232, 7856, 9329, 12464, 15712, 18658, 20131, 24928, 37316, 40262, 74632, 80524, 149264, 161048, 298528, 322096, 382489, 644192, 764978, 1529956, 3059912, 6119824, 12239648]

約数ペア:

[(1, 12239648), (2, 6119824), (4, 3059912), (8, 1529956), (16, 764978), (19, 644192), (32, 382489), (38, 322096), (41, 298528), (76, 161048), (82, 149264), (152, 80524), (164, 74632), (304, 40262), (328, 37316), (491, 24928), (608, 20131), (656, 18658), (779, 15712), (982, 12464), (1312, 9329), (1558, 7856), (1964, 6232), (3116, 3928)]