18946515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9497}}^1$

素因数の和:9531

約数の個数: 32

約数和(自身を含む): 36472320

約数和(自身を除く): 17525805

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 9497, 28491, 47485, 66479, 142455, 180443, 199437, 332395, 541329, 902215, 997185, 1263101, 2706645, 3789303, 6315505, 18946515]

約数ペア:

[(1, 18946515), (3, 6315505), (5, 3789303), (7, 2706645), (15, 1263101), (19, 997185), (21, 902215), (35, 541329), (57, 332395), (95, 199437), (105, 180443), (133, 142455), (285, 66479), (399, 47485), (665, 28491), (1995, 9497)]