19526300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 45830400

約数和(自身を除く): 26304100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 239, 380, 430, 475, 478, 817, 860, 950, 956, 1075, 1195, 1634, 1900, 2150, 2390, 3268, 4085, 4300, 4541, 4780, 5975, 8170, 9082, 10277, 11950, 16340, 18164, 20425, 20554, 22705, 23900, 40850, 41108, 45410, 51385, 81700, 90820, 102770, 113525, 195263, 205540, 227050, 256925, 390526, 454100, 513850, 781052, 976315, 1027700, 1952630, 3905260, 4881575, 9763150, 19526300]

約数ペア:

[(1, 19526300), (2, 9763150), (4, 4881575), (5, 3905260), (10, 1952630), (19, 1027700), (20, 976315), (25, 781052), (38, 513850), (43, 454100), (50, 390526), (76, 256925), (86, 227050), (95, 205540), (100, 195263), (172, 113525), (190, 102770), (215, 90820), (239, 81700), (380, 51385), (430, 45410), (475, 41108), (478, 40850), (817, 23900), (860, 22705), (950, 20554), (956, 20425), (1075, 18164), (1195, 16340), (1634, 11950), (1900, 10277), (2150, 9082), (2390, 8170), (3268, 5975), (4085, 4780), (4300, 4541)]