19011200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 50686860

約数和(自身を除く): 31675660

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 457, 520, 640, 650, 800, 832, 914, 1040, 1300, 1600, 1664, 1828, 2080, 2285, 2600, 3200, 3656, 4160, 4570, 5200, 5941, 7312, 8320, 9140, 10400, 11425, 11882, 14624, 18280, 20800, 22850, 23764, 29248, 29705, 36560, 41600, 45700, 47528, 58496, 59410, 73120, 91400, 95056, 118820, 146240, 148525, 182800, 190112, 237640, 292480, 297050, 365600, 380224, 475280, 594100, 731200, 760448, 950560, 1188200, 1462400, 1901120, 2376400, 3802240, 4752800, 9505600, 19011200]

約数ペア:

[(1, 19011200), (2, 9505600), (4, 4752800), (5, 3802240), (8, 2376400), (10, 1901120), (13, 1462400), (16, 1188200), (20, 950560), (25, 760448), (26, 731200), (32, 594100), (40, 475280), (50, 380224), (52, 365600), (64, 297050), (65, 292480), (80, 237640), (100, 190112), (104, 182800), (128, 148525), (130, 146240), (160, 118820), (200, 95056), (208, 91400), (260, 73120), (320, 59410), (325, 58496), (400, 47528), (416, 45700), (457, 41600), (520, 36560), (640, 29705), (650, 29248), (800, 23764), (832, 22850), (914, 20800), (1040, 18280), (1300, 14624), (1600, 11882), (1664, 11425), (1828, 10400), (2080, 9140), (2285, 8320), (2600, 7312), (3200, 5941), (3656, 5200), (4160, 4570)]