19317700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 45122112

約数和(自身を除く): 25804412

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 37, 46, 50, 74, 92, 100, 115, 148, 185, 227, 230, 370, 454, 460, 575, 740, 851, 908, 925, 1135, 1150, 1702, 1850, 2270, 2300, 3404, 3700, 4255, 4540, 5221, 5675, 8399, 8510, 10442, 11350, 16798, 17020, 20884, 21275, 22700, 26105, 33596, 41995, 42550, 52210, 83990, 85100, 104420, 130525, 167980, 193177, 209975, 261050, 386354, 419950, 522100, 772708, 839900, 965885, 1931770, 3863540, 4829425, 9658850, 19317700]

約数ペア:

[(1, 19317700), (2, 9658850), (4, 4829425), (5, 3863540), (10, 1931770), (20, 965885), (23, 839900), (25, 772708), (37, 522100), (46, 419950), (50, 386354), (74, 261050), (92, 209975), (100, 193177), (115, 167980), (148, 130525), (185, 104420), (227, 85100), (230, 83990), (370, 52210), (454, 42550), (460, 41995), (575, 33596), (740, 26105), (851, 22700), (908, 21275), (925, 20884), (1135, 17020), (1150, 16798), (1702, 11350), (1850, 10442), (2270, 8510), (2300, 8399), (3404, 5675), (3700, 5221), (4255, 4540)]