15964864

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 42

約数和(自身を含む): 33483804

約数和(自身を除く): 17518940

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 691, 722, 1216, 1382, 1444, 2764, 2888, 5528, 5776, 11056, 11552, 13129, 22112, 23104, 26258, 44224, 52516, 105032, 210064, 249451, 420128, 498902, 840256, 997804, 1995608, 3991216, 7982432, 15964864]

約数ペア:

[(1, 15964864), (2, 7982432), (4, 3991216), (8, 1995608), (16, 997804), (19, 840256), (32, 498902), (38, 420128), (64, 249451), (76, 210064), (152, 105032), (304, 52516), (361, 44224), (608, 26258), (691, 23104), (722, 22112), (1216, 13129), (1382, 11552), (1444, 11056), (2764, 5776), (2888, 5528)]