19286300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 46403280

約数和(自身を除く): 27116980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 197, 220, 275, 356, 394, 445, 550, 788, 890, 979, 985, 1100, 1780, 1958, 1970, 2167, 2225, 3916, 3940, 4334, 4450, 4895, 4925, 8668, 8900, 9790, 9850, 10835, 17533, 19580, 19700, 21670, 24475, 35066, 43340, 48950, 54175, 70132, 87665, 97900, 108350, 175330, 192863, 216700, 350660, 385726, 438325, 771452, 876650, 964315, 1753300, 1928630, 3857260, 4821575, 9643150, 19286300]

約数ペア:

[(1, 19286300), (2, 9643150), (4, 4821575), (5, 3857260), (10, 1928630), (11, 1753300), (20, 964315), (22, 876650), (25, 771452), (44, 438325), (50, 385726), (55, 350660), (89, 216700), (100, 192863), (110, 175330), (178, 108350), (197, 97900), (220, 87665), (275, 70132), (356, 54175), (394, 48950), (445, 43340), (550, 35066), (788, 24475), (890, 21670), (979, 19700), (985, 19580), (1100, 17533), (1780, 10835), (1958, 9850), (1970, 9790), (2167, 8900), (2225, 8668), (3916, 4925), (3940, 4895), (4334, 4450)]