19139940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{941}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 58633848

約数和(自身を除く): 39493908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 941, 1017, 1130, 1356, 1695, 1882, 2034, 2260, 2823, 3390, 3764, 4068, 4705, 5085, 5646, 6780, 8469, 9410, 10170, 11292, 14115, 16938, 18820, 20340, 28230, 33876, 42345, 56460, 84690, 106333, 169380, 212666, 318999, 425332, 531665, 637998, 956997, 1063330, 1275996, 1594995, 1913994, 2126660, 3189990, 3827988, 4784985, 6379980, 9569970, 19139940]

約数ペア:

[(1, 19139940), (2, 9569970), (3, 6379980), (4, 4784985), (5, 3827988), (6, 3189990), (9, 2126660), (10, 1913994), (12, 1594995), (15, 1275996), (18, 1063330), (20, 956997), (30, 637998), (36, 531665), (45, 425332), (60, 318999), (90, 212666), (113, 169380), (180, 106333), (226, 84690), (339, 56460), (452, 42345), (565, 33876), (678, 28230), (941, 20340), (1017, 18820), (1130, 16938), (1356, 14115), (1695, 11292), (1882, 10170), (2034, 9410), (2260, 8469), (2823, 6780), (3390, 5646), (3764, 5085), (4068, 4705)]