19491900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1571

約数の個数: 72

約数和(自身を含む): 57746304

約数和(自身を除く): 38254404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1511, 2150, 2580, 3022, 3225, 4300, 4533, 6044, 6450, 7555, 9066, 12900, 15110, 18132, 22665, 30220, 37775, 45330, 64973, 75550, 90660, 113325, 129946, 151100, 194919, 226650, 259892, 324865, 389838, 453300, 649730, 779676, 974595, 1299460, 1624325, 1949190, 3248650, 3898380, 4872975, 6497300, 9745950, 19491900]

約数ペア:

[(1, 19491900), (2, 9745950), (3, 6497300), (4, 4872975), (5, 3898380), (6, 3248650), (10, 1949190), (12, 1624325), (15, 1299460), (20, 974595), (25, 779676), (30, 649730), (43, 453300), (50, 389838), (60, 324865), (75, 259892), (86, 226650), (100, 194919), (129, 151100), (150, 129946), (172, 113325), (215, 90660), (258, 75550), (300, 64973), (430, 45330), (516, 37775), (645, 30220), (860, 22665), (1075, 18132), (1290, 15110), (1511, 12900), (2150, 9066), (2580, 7555), (3022, 6450), (3225, 6044), (4300, 4533)]