19011900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 55552000

約数和(自身を除く): 36540100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 499, 508, 635, 762, 998, 1270, 1497, 1524, 1905, 1996, 2495, 2540, 2994, 3175, 3810, 4990, 5988, 6350, 7485, 7620, 9525, 9980, 12475, 12700, 14970, 19050, 24950, 29940, 37425, 38100, 49900, 63373, 74850, 126746, 149700, 190119, 253492, 316865, 380238, 633730, 760476, 950595, 1267460, 1584325, 1901190, 3168650, 3802380, 4752975, 6337300, 9505950, 19011900]

約数ペア:

[(1, 19011900), (2, 9505950), (3, 6337300), (4, 4752975), (5, 3802380), (6, 3168650), (10, 1901190), (12, 1584325), (15, 1267460), (20, 950595), (25, 760476), (30, 633730), (50, 380238), (60, 316865), (75, 253492), (100, 190119), (127, 149700), (150, 126746), (254, 74850), (300, 63373), (381, 49900), (499, 38100), (508, 37425), (635, 29940), (762, 24950), (998, 19050), (1270, 14970), (1497, 12700), (1524, 12475), (1905, 9980), (1996, 9525), (2495, 7620), (2540, 7485), (2994, 6350), (3175, 5988), (3810, 4990)]