19528032255

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6997}}^1\times {\mathrm{4327}}^1$

素因数の和:11375

約数の個数: 32

約数和(自身を含む): 31983435264

約数和(自身を除く): 12455403009

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 4327, 6997, 12981, 20991, 21635, 34985, 64905, 104955, 186061, 300871, 558183, 902613, 930305, 1504355, 2790915, 4513065, 30276019, 90828057, 151380095, 454140285, 1301868817, 3905606451, 6509344085, 19528032255]

約数ペア:

[(1, 19528032255), (3, 6509344085), (5, 3905606451), (15, 1301868817), (43, 454140285), (129, 151380095), (215, 90828057), (645, 30276019), (4327, 4513065), (6997, 2790915), (12981, 1504355), (20991, 930305), (21635, 902613), (34985, 558183), (64905, 300871), (104955, 186061)]