19301715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1097}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 36998208

約数和(自身を除く): 17696493

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1097, 1173, 1955, 3291, 3519, 5485, 5865, 9873, 16455, 17595, 18649, 25231, 49365, 55947, 75693, 93245, 126155, 167841, 227079, 279735, 378465, 428927, 839205, 1135395, 1286781, 2144635, 3860343, 6433905, 19301715]

約数ペア:

[(1, 19301715), (3, 6433905), (5, 3860343), (9, 2144635), (15, 1286781), (17, 1135395), (23, 839205), (45, 428927), (51, 378465), (69, 279735), (85, 227079), (115, 167841), (153, 126155), (207, 93245), (255, 75693), (345, 55947), (391, 49365), (765, 25231), (1035, 18649), (1097, 17595), (1173, 16455), (1955, 9873), (3291, 5865), (3519, 5485)]