19303680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 67402944

約数和(自身を除く): 48099264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 457, 480, 528, 640, 660, 704, 768, 880, 914, 960, 1056, 1280, 1320, 1371, 1408, 1760, 1828, 1920, 2112, 2285, 2640, 2742, 2816, 3520, 3656, 3840, 4224, 4570, 5027, 5280, 5484, 6855, 7040, 7312, 8448, 9140, 10054, 10560, 10968, 13710, 14080, 14624, 15081, 18280, 20108, 21120, 21936, 25135, 27420, 29248, 30162, 36560, 40216, 42240, 43872, 50270, 54840, 58496, 60324, 73120, 75405, 80432, 87744, 100540, 109680, 116992, 120648, 146240, 150810, 160864, 175488, 201080, 219360, 241296, 292480, 301620, 321728, 350976, 402160, 438720, 482592, 584960, 603240, 643456, 804320, 877440, 965184, 1206480, 1286912, 1608640, 1754880, 1930368, 2412960, 3217280, 3860736, 4825920, 6434560, 9651840, 19303680]

約数ペア:

[(1, 19303680), (2, 9651840), (3, 6434560), (4, 4825920), (5, 3860736), (6, 3217280), (8, 2412960), (10, 1930368), (11, 1754880), (12, 1608640), (15, 1286912), (16, 1206480), (20, 965184), (22, 877440), (24, 804320), (30, 643456), (32, 603240), (33, 584960), (40, 482592), (44, 438720), (48, 402160), (55, 350976), (60, 321728), (64, 301620), (66, 292480), (80, 241296), (88, 219360), (96, 201080), (110, 175488), (120, 160864), (128, 150810), (132, 146240), (160, 120648), (165, 116992), (176, 109680), (192, 100540), (220, 87744), (240, 80432), (256, 75405), (264, 73120), (320, 60324), (330, 58496), (352, 54840), (384, 50270), (440, 43872), (457, 42240), (480, 40216), (528, 36560), (640, 30162), (660, 29248), (704, 27420), (768, 25135), (880, 21936), (914, 21120), (960, 20108), (1056, 18280), (1280, 15081), (1320, 14624), (1371, 14080), (1408, 13710), (1760, 10968), (1828, 10560), (1920, 10054), (2112, 9140), (2285, 8448), (2640, 7312), (2742, 7040), (2816, 6855), (3520, 5484), (3656, 5280), (3840, 5027), (4224, 4570)]