19809992

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 40346880

約数和(自身を除く): 20536888

約数列:

[1, 2, 4, 8, 23, 31, 46, 62, 92, 124, 151, 184, 248, 302, 529, 604, 713, 1058, 1208, 1426, 2116, 2852, 3473, 4232, 4681, 5704, 6946, 9362, 13892, 16399, 18724, 27784, 32798, 37448, 65596, 79879, 107663, 131192, 159758, 215326, 319516, 430652, 639032, 861304, 2476249, 4952498, 9904996, 19809992]

約数ペア:

[(1, 19809992), (2, 9904996), (4, 4952498), (8, 2476249), (23, 861304), (31, 639032), (46, 430652), (62, 319516), (92, 215326), (124, 159758), (151, 131192), (184, 107663), (248, 79879), (302, 65596), (529, 37448), (604, 32798), (713, 27784), (1058, 18724), (1208, 16399), (1426, 13892), (2116, 9362), (2852, 6946), (3473, 5704), (4232, 4681)]