18814605

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 31027584

約数和(自身を除く): 12212979

約数列:

[1, 3, 5, 15, 67, 97, 193, 201, 291, 335, 485, 579, 965, 1005, 1455, 2895, 6499, 12931, 18721, 19497, 32495, 38793, 56163, 64655, 93605, 97485, 193965, 280815, 1254307, 3762921, 6271535, 18814605]

約数ペア:

[(1, 18814605), (3, 6271535), (5, 3762921), (15, 1254307), (67, 280815), (97, 193965), (193, 97485), (201, 93605), (291, 64655), (335, 56163), (485, 38793), (579, 32495), (965, 19497), (1005, 18721), (1455, 12931), (2895, 6499)]