15983864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8089}}^1$

素因数の和:8127

約数の個数: 32

約数和(自身を含む): 33978000

約数和(自身を除く): 17994136

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 8089, 16178, 32356, 64712, 105157, 153691, 210314, 307382, 420628, 614764, 841256, 1229528, 1997983, 3995966, 7991932, 15983864]

約数ペア:

[(1, 15983864), (2, 7991932), (4, 3995966), (8, 1997983), (13, 1229528), (19, 841256), (26, 614764), (38, 420628), (52, 307382), (76, 210314), (104, 153691), (152, 105157), (247, 64712), (494, 32356), (988, 16178), (1976, 8089)]