18939200

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 168

約数和(自身を含む): 56692800

約数和(自身を除く): 37753600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 89, 95, 100, 112, 133, 140, 152, 160, 175, 178, 190, 200, 224, 266, 280, 304, 320, 350, 356, 380, 400, 445, 448, 475, 532, 560, 608, 623, 665, 700, 712, 760, 800, 890, 950, 1064, 1120, 1216, 1246, 1330, 1400, 1424, 1520, 1600, 1691, 1780, 1900, 2128, 2225, 2240, 2492, 2660, 2800, 2848, 3040, 3115, 3325, 3382, 3560, 3800, 4256, 4450, 4984, 5320, 5600, 5696, 6080, 6230, 6650, 6764, 7120, 7600, 8455, 8512, 8900, 9968, 10640, 11200, 11837, 12460, 13300, 13528, 14240, 15200, 15575, 16910, 17800, 19936, 21280, 23674, 24920, 26600, 27056, 28480, 30400, 31150, 33820, 35600, 39872, 42275, 42560, 47348, 49840, 53200, 54112, 59185, 62300, 67640, 71200, 84550, 94696, 99680, 106400, 108224, 118370, 124600, 135280, 142400, 169100, 189392, 199360, 212800, 236740, 249200, 270560, 295925, 338200, 378784, 473480, 498400, 541120, 591850, 676400, 757568, 946960, 996800, 1183700, 1352800, 1893920, 2367400, 2705600, 3787840, 4734800, 9469600, 18939200]

約数ペア:

[(1, 18939200), (2, 9469600), (4, 4734800), (5, 3787840), (7, 2705600), (8, 2367400), (10, 1893920), (14, 1352800), (16, 1183700), (19, 996800), (20, 946960), (25, 757568), (28, 676400), (32, 591850), (35, 541120), (38, 498400), (40, 473480), (50, 378784), (56, 338200), (64, 295925), (70, 270560), (76, 249200), (80, 236740), (89, 212800), (95, 199360), (100, 189392), (112, 169100), (133, 142400), (140, 135280), (152, 124600), (160, 118370), (175, 108224), (178, 106400), (190, 99680), (200, 94696), (224, 84550), (266, 71200), (280, 67640), (304, 62300), (320, 59185), (350, 54112), (356, 53200), (380, 49840), (400, 47348), (445, 42560), (448, 42275), (475, 39872), (532, 35600), (560, 33820), (608, 31150), (623, 30400), (665, 28480), (700, 27056), (712, 26600), (760, 24920), (800, 23674), (890, 21280), (950, 19936), (1064, 17800), (1120, 16910), (1216, 15575), (1246, 15200), (1330, 14240), (1400, 13528), (1424, 13300), (1520, 12460), (1600, 11837), (1691, 11200), (1780, 10640), (1900, 9968), (2128, 8900), (2225, 8512), (2240, 8455), (2492, 7600), (2660, 7120), (2800, 6764), (2848, 6650), (3040, 6230), (3115, 6080), (3325, 5696), (3382, 5600), (3560, 5320), (3800, 4984), (4256, 4450)]