18957896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 37670400

約数和(自身を除く): 18712504

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 191, 382, 653, 764, 1306, 1528, 2612, 3629, 5224, 7258, 12407, 14516, 24814, 29032, 49628, 99256, 124723, 249446, 498892, 997784, 2369737, 4739474, 9478948, 18957896]

約数ペア:

[(1, 18957896), (2, 9478948), (4, 4739474), (8, 2369737), (19, 997784), (38, 498892), (76, 249446), (152, 124723), (191, 99256), (382, 49628), (653, 29032), (764, 24814), (1306, 14516), (1528, 12407), (2612, 7258), (3629, 5224)]