19410200

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 48203760

約数和(自身を除く): 28793560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 43, 50, 61, 74, 86, 100, 122, 148, 172, 185, 200, 215, 244, 296, 305, 344, 370, 430, 488, 610, 740, 860, 925, 1075, 1220, 1480, 1525, 1591, 1720, 1850, 2150, 2257, 2440, 2623, 3050, 3182, 3700, 4300, 4514, 5246, 6100, 6364, 7400, 7955, 8600, 9028, 10492, 11285, 12200, 12728, 13115, 15910, 18056, 20984, 22570, 26230, 31820, 39775, 45140, 52460, 56425, 63640, 65575, 79550, 90280, 97051, 104920, 112850, 131150, 159100, 194102, 225700, 262300, 318200, 388204, 451400, 485255, 524600, 776408, 970510, 1941020, 2426275, 3882040, 4852550, 9705100, 19410200]

約数ペア:

[(1, 19410200), (2, 9705100), (4, 4852550), (5, 3882040), (8, 2426275), (10, 1941020), (20, 970510), (25, 776408), (37, 524600), (40, 485255), (43, 451400), (50, 388204), (61, 318200), (74, 262300), (86, 225700), (100, 194102), (122, 159100), (148, 131150), (172, 112850), (185, 104920), (200, 97051), (215, 90280), (244, 79550), (296, 65575), (305, 63640), (344, 56425), (370, 52460), (430, 45140), (488, 39775), (610, 31820), (740, 26230), (860, 22570), (925, 20984), (1075, 18056), (1220, 15910), (1480, 13115), (1525, 12728), (1591, 12200), (1720, 11285), (1850, 10492), (2150, 9028), (2257, 8600), (2440, 7955), (2623, 7400), (3050, 6364), (3182, 6100), (3700, 5246), (4300, 4514)]