19740600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 144

約数和(自身を含む): 72394920

約数和(自身を除く): 52654320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 997, 1100, 1320, 1650, 1800, 1980, 1994, 2200, 2475, 2991, 3300, 3960, 3988, 4950, 4985, 5982, 6600, 7976, 8973, 9900, 9970, 10967, 11964, 14955, 17946, 19800, 19940, 21934, 23928, 24925, 29910, 32901, 35892, 39880, 43868, 44865, 49850, 54835, 59820, 65802, 71784, 74775, 87736, 89730, 98703, 99700, 109670, 119640, 131604, 149550, 164505, 179460, 197406, 199400, 219340, 224325, 263208, 274175, 299100, 329010, 358920, 394812, 438680, 448650, 493515, 548350, 598200, 658020, 789624, 822525, 897300, 987030, 1096700, 1316040, 1645050, 1794600, 1974060, 2193400, 2467575, 3290100, 3948120, 4935150, 6580200, 9870300, 19740600]

約数ペア:

[(1, 19740600), (2, 9870300), (3, 6580200), (4, 4935150), (5, 3948120), (6, 3290100), (8, 2467575), (9, 2193400), (10, 1974060), (11, 1794600), (12, 1645050), (15, 1316040), (18, 1096700), (20, 987030), (22, 897300), (24, 822525), (25, 789624), (30, 658020), (33, 598200), (36, 548350), (40, 493515), (44, 448650), (45, 438680), (50, 394812), (55, 358920), (60, 329010), (66, 299100), (72, 274175), (75, 263208), (88, 224325), (90, 219340), (99, 199400), (100, 197406), (110, 179460), (120, 164505), (132, 149550), (150, 131604), (165, 119640), (180, 109670), (198, 99700), (200, 98703), (220, 89730), (225, 87736), (264, 74775), (275, 71784), (300, 65802), (330, 59820), (360, 54835), (396, 49850), (440, 44865), (450, 43868), (495, 39880), (550, 35892), (600, 32901), (660, 29910), (792, 24925), (825, 23928), (900, 21934), (990, 19940), (997, 19800), (1100, 17946), (1320, 14955), (1650, 11964), (1800, 10967), (1980, 9970), (1994, 9900), (2200, 8973), (2475, 7976), (2991, 6600), (3300, 5982), (3960, 4985), (3988, 4950)]