19921500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 66437280

約数和(自身を除く): 46515780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 233, 250, 285, 300, 342, 375, 380, 450, 466, 475, 500, 570, 684, 699, 750, 855, 900, 932, 950, 1125, 1140, 1165, 1398, 1425, 1500, 1710, 1900, 2097, 2250, 2330, 2375, 2796, 2850, 3420, 3495, 4194, 4275, 4427, 4500, 4660, 4750, 5700, 5825, 6990, 7125, 8388, 8550, 8854, 9500, 10485, 11650, 13281, 13980, 14250, 17100, 17475, 17708, 20970, 21375, 22135, 23300, 26562, 28500, 29125, 34950, 39843, 41940, 42750, 44270, 52425, 53124, 58250, 66405, 69900, 79686, 85500, 87375, 88540, 104850, 110675, 116500, 132810, 159372, 174750, 199215, 209700, 221350, 262125, 265620, 332025, 349500, 398430, 442700, 524250, 553375, 664050, 796860, 996075, 1048500, 1106750, 1328100, 1660125, 1992150, 2213500, 3320250, 3984300, 4980375, 6640500, 9960750, 19921500]

約数ペア:

[(1, 19921500), (2, 9960750), (3, 6640500), (4, 4980375), (5, 3984300), (6, 3320250), (9, 2213500), (10, 1992150), (12, 1660125), (15, 1328100), (18, 1106750), (19, 1048500), (20, 996075), (25, 796860), (30, 664050), (36, 553375), (38, 524250), (45, 442700), (50, 398430), (57, 349500), (60, 332025), (75, 265620), (76, 262125), (90, 221350), (95, 209700), (100, 199215), (114, 174750), (125, 159372), (150, 132810), (171, 116500), (180, 110675), (190, 104850), (225, 88540), (228, 87375), (233, 85500), (250, 79686), (285, 69900), (300, 66405), (342, 58250), (375, 53124), (380, 52425), (450, 44270), (466, 42750), (475, 41940), (500, 39843), (570, 34950), (684, 29125), (699, 28500), (750, 26562), (855, 23300), (900, 22135), (932, 21375), (950, 20970), (1125, 17708), (1140, 17475), (1165, 17100), (1398, 14250), (1425, 13980), (1500, 13281), (1710, 11650), (1900, 10485), (2097, 9500), (2250, 8854), (2330, 8550), (2375, 8388), (2796, 7125), (2850, 6990), (3420, 5825), (3495, 5700), (4194, 4750), (4275, 4660), (4427, 4500)]