19749480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5309}}^1$

素因数の和:5354

約数の個数: 64

約数和(自身を含む): 61171200

約数和(自身を除く): 41421720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5309, 10618, 15927, 21236, 26545, 31854, 42472, 53090, 63708, 79635, 106180, 127416, 159270, 164579, 212360, 318540, 329158, 493737, 637080, 658316, 822895, 987474, 1316632, 1645790, 1974948, 2468685, 3291580, 3949896, 4937370, 6583160, 9874740, 19749480]

約数ペア:

[(1, 19749480), (2, 9874740), (3, 6583160), (4, 4937370), (5, 3949896), (6, 3291580), (8, 2468685), (10, 1974948), (12, 1645790), (15, 1316632), (20, 987474), (24, 822895), (30, 658316), (31, 637080), (40, 493737), (60, 329158), (62, 318540), (93, 212360), (120, 164579), (124, 159270), (155, 127416), (186, 106180), (248, 79635), (310, 63708), (372, 53090), (465, 42472), (620, 31854), (744, 26545), (930, 21236), (1240, 15927), (1860, 10618), (3720, 5309)]