18613795

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 6062045

約数列:

[1, 5, 29, 31, 41, 101, 145, 155, 205, 505, 899, 1189, 1271, 2929, 3131, 4141, 4495, 5945, 6355, 14645, 15655, 20705, 36859, 90799, 120089, 128371, 184295, 453995, 600445, 641855, 3722759, 18613795]

約数ペア:

[(1, 18613795), (5, 3722759), (29, 641855), (31, 600445), (41, 453995), (101, 184295), (145, 128371), (155, 120089), (205, 90799), (505, 36859), (899, 20705), (1189, 15655), (1271, 14645), (2929, 6355), (3131, 5945), (4141, 4495)]