19087965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 36236928

約数和(自身を除く): 17148963

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 487, 585, 603, 871, 1005, 1461, 2435, 2613, 3015, 4355, 4383, 6331, 7305, 7839, 13065, 18993, 21915, 31655, 32629, 39195, 56979, 94965, 97887, 163145, 284895, 293661, 424177, 489435, 1272531, 1468305, 2120885, 3817593, 6362655, 19087965]

約数ペア:

[(1, 19087965), (3, 6362655), (5, 3817593), (9, 2120885), (13, 1468305), (15, 1272531), (39, 489435), (45, 424177), (65, 293661), (67, 284895), (117, 163145), (195, 97887), (201, 94965), (335, 56979), (487, 39195), (585, 32629), (603, 31655), (871, 21915), (1005, 18993), (1461, 13065), (2435, 7839), (2613, 7305), (3015, 6331), (4355, 4383)]