18243888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^3\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 51350880

約数和(自身を除く): 33106992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 173, 208, 312, 338, 346, 507, 519, 624, 676, 692, 1014, 1038, 1352, 1384, 2028, 2076, 2197, 2249, 2704, 2768, 4056, 4152, 4394, 4498, 6591, 6747, 8112, 8304, 8788, 8996, 13182, 13494, 17576, 17992, 26364, 26988, 29237, 35152, 35984, 52728, 53976, 58474, 87711, 105456, 107952, 116948, 175422, 233896, 350844, 380081, 467792, 701688, 760162, 1140243, 1403376, 1520324, 2280486, 3040648, 4560972, 6081296, 9121944, 18243888]

約数ペア:

[(1, 18243888), (2, 9121944), (3, 6081296), (4, 4560972), (6, 3040648), (8, 2280486), (12, 1520324), (13, 1403376), (16, 1140243), (24, 760162), (26, 701688), (39, 467792), (48, 380081), (52, 350844), (78, 233896), (104, 175422), (156, 116948), (169, 107952), (173, 105456), (208, 87711), (312, 58474), (338, 53976), (346, 52728), (507, 35984), (519, 35152), (624, 29237), (676, 26988), (692, 26364), (1014, 17992), (1038, 17576), (1352, 13494), (1384, 13182), (2028, 8996), (2076, 8788), (2197, 8304), (2249, 8112), (2704, 6747), (2768, 6591), (4056, 4498), (4152, 4394)]