18185468

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 39682944

約数和(自身を除く): 21497476

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 49, 62, 73, 82, 98, 124, 146, 164, 196, 217, 287, 292, 434, 511, 574, 868, 1022, 1148, 1271, 1519, 2009, 2044, 2263, 2542, 2993, 3038, 3577, 4018, 4526, 5084, 5986, 6076, 7154, 8036, 8897, 9052, 11972, 14308, 15841, 17794, 20951, 31682, 35588, 41902, 62279, 63364, 83804, 92783, 110887, 124558, 146657, 185566, 221774, 249116, 293314, 371132, 443548, 586628, 649481, 1298962, 2597924, 4546367, 9092734, 18185468]

約数ペア:

[(1, 18185468), (2, 9092734), (4, 4546367), (7, 2597924), (14, 1298962), (28, 649481), (31, 586628), (41, 443548), (49, 371132), (62, 293314), (73, 249116), (82, 221774), (98, 185566), (124, 146657), (146, 124558), (164, 110887), (196, 92783), (217, 83804), (287, 63364), (292, 62279), (434, 41902), (511, 35588), (574, 31682), (868, 20951), (1022, 17794), (1148, 15841), (1271, 14308), (1519, 11972), (2009, 9052), (2044, 8897), (2263, 8036), (2542, 7154), (2993, 6076), (3038, 5986), (3577, 5084), (4018, 4526)]