18337947

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 26671680

約数和(自身を除く): 8333733

約数列:

[1, 3, 29, 41, 53, 87, 97, 123, 159, 291, 1189, 1537, 2173, 2813, 3567, 3977, 4611, 5141, 6519, 8439, 11931, 15423, 63017, 115333, 149089, 189051, 210781, 345999, 447267, 632343, 6112649, 18337947]

約数ペア:

[(1, 18337947), (3, 6112649), (29, 632343), (41, 447267), (53, 345999), (87, 210781), (97, 189051), (123, 149089), (159, 115333), (291, 63017), (1189, 15423), (1537, 11931), (2173, 8439), (2813, 6519), (3567, 5141), (3977, 4611)]