18455804985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1\times {\mathrm{691}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 30610669824

約数和(自身を除く): 12154864839

約数列:

[1, 3, 5, 15, 41, 123, 137, 205, 317, 411, 615, 685, 691, 951, 1585, 2055, 2073, 3455, 4755, 5617, 10365, 12997, 16851, 28085, 28331, 38991, 43429, 64985, 84255, 84993, 94667, 130287, 141655, 194955, 217145, 219047, 284001, 424965, 473335, 651435, 657141, 1095235, 1420005, 1780589, 3285705, 3881347, 5341767, 8902945, 8980927, 11644041, 19406735, 26708835, 26942781, 30009439, 44904635, 58220205, 90028317, 134713905, 150047195, 450141585, 1230386999, 3691160997, 6151934995, 18455804985]

約数ペア:

[(1, 18455804985), (3, 6151934995), (5, 3691160997), (15, 1230386999), (41, 450141585), (123, 150047195), (137, 134713905), (205, 90028317), (317, 58220205), (411, 44904635), (615, 30009439), (685, 26942781), (691, 26708835), (951, 19406735), (1585, 11644041), (2055, 8980927), (2073, 8902945), (3455, 5341767), (4755, 3881347), (5617, 3285705), (10365, 1780589), (12997, 1420005), (16851, 1095235), (28085, 657141), (28331, 651435), (38991, 473335), (43429, 424965), (64985, 284001), (84255, 219047), (84993, 217145), (94667, 194955), (130287, 141655)]