19922115

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 33175296

約数和(自身を除く): 13253181

約数列:

[1, 3, 5, 15, 43, 67, 129, 201, 215, 335, 461, 645, 1005, 1383, 2305, 2881, 6915, 8643, 14405, 19823, 30887, 43215, 59469, 92661, 99115, 154435, 297345, 463305, 1328141, 3984423, 6640705, 19922115]

約数ペア:

[(1, 19922115), (3, 6640705), (5, 3984423), (15, 1328141), (43, 463305), (67, 297345), (129, 154435), (201, 99115), (215, 92661), (335, 59469), (461, 43215), (645, 30887), (1005, 19823), (1383, 14405), (2305, 8643), (2881, 6915)]