18464313

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 10953159

約数列:

[1, 3, 7, 21, 31, 93, 113, 217, 251, 339, 651, 753, 791, 1757, 2373, 3503, 5271, 7781, 10509, 23343, 24521, 28363, 54467, 73563, 85089, 163401, 198541, 595623, 879253, 2637759, 6154771, 18464313]

約数ペア:

[(1, 18464313), (3, 6154771), (7, 2637759), (21, 879253), (31, 595623), (93, 198541), (113, 163401), (217, 85089), (251, 73563), (339, 54467), (651, 28363), (753, 24521), (791, 23343), (1757, 10509), (2373, 7781), (3503, 5271)]