19425840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 71233536

約数和(自身を除く): 51807696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 373, 420, 434, 465, 496, 560, 620, 651, 744, 746, 840, 868, 930, 1085, 1119, 1240, 1302, 1488, 1492, 1680, 1736, 1860, 1865, 2170, 2238, 2480, 2604, 2611, 2984, 3255, 3472, 3720, 3730, 4340, 4476, 5208, 5222, 5595, 5968, 6510, 7440, 7460, 7833, 8680, 8952, 10416, 10444, 11190, 11563, 13020, 13055, 14920, 15666, 17360, 17904, 20888, 22380, 23126, 26040, 26110, 29840, 31332, 34689, 39165, 41776, 44760, 46252, 52080, 52220, 57815, 62664, 69378, 78330, 80941, 89520, 92504, 104440, 115630, 125328, 138756, 156660, 161882, 173445, 185008, 208880, 231260, 242823, 277512, 313320, 323764, 346890, 404705, 462520, 485646, 555024, 626640, 647528, 693780, 809410, 925040, 971292, 1214115, 1295056, 1387560, 1618820, 1942584, 2428230, 2775120, 3237640, 3885168, 4856460, 6475280, 9712920, 19425840]

約数ペア:

[(1, 19425840), (2, 9712920), (3, 6475280), (4, 4856460), (5, 3885168), (6, 3237640), (7, 2775120), (8, 2428230), (10, 1942584), (12, 1618820), (14, 1387560), (15, 1295056), (16, 1214115), (20, 971292), (21, 925040), (24, 809410), (28, 693780), (30, 647528), (31, 626640), (35, 555024), (40, 485646), (42, 462520), (48, 404705), (56, 346890), (60, 323764), (62, 313320), (70, 277512), (80, 242823), (84, 231260), (93, 208880), (105, 185008), (112, 173445), (120, 161882), (124, 156660), (140, 138756), (155, 125328), (168, 115630), (186, 104440), (210, 92504), (217, 89520), (240, 80941), (248, 78330), (280, 69378), (310, 62664), (336, 57815), (372, 52220), (373, 52080), (420, 46252), (434, 44760), (465, 41776), (496, 39165), (560, 34689), (620, 31332), (651, 29840), (744, 26110), (746, 26040), (840, 23126), (868, 22380), (930, 20888), (1085, 17904), (1119, 17360), (1240, 15666), (1302, 14920), (1488, 13055), (1492, 13020), (1680, 11563), (1736, 11190), (1860, 10444), (1865, 10416), (2170, 8952), (2238, 8680), (2480, 7833), (2604, 7460), (2611, 7440), (2984, 6510), (3255, 5968), (3472, 5595), (3720, 5222), (3730, 5208), (4340, 4476)]