19143228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 49980784

約数和(自身を除く): 30837556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 73, 78, 82, 123, 146, 156, 164, 219, 246, 292, 438, 492, 533, 876, 949, 1066, 1599, 1681, 1898, 2132, 2847, 2993, 3198, 3362, 3796, 5043, 5694, 5986, 6396, 6724, 8979, 10086, 11388, 11972, 17958, 20172, 21853, 35916, 38909, 43706, 65559, 77818, 87412, 116727, 122713, 131118, 155636, 233454, 245426, 262236, 368139, 466908, 490852, 736278, 1472556, 1595269, 3190538, 4785807, 6381076, 9571614, 19143228]

約数ペア:

[(1, 19143228), (2, 9571614), (3, 6381076), (4, 4785807), (6, 3190538), (12, 1595269), (13, 1472556), (26, 736278), (39, 490852), (41, 466908), (52, 368139), (73, 262236), (78, 245426), (82, 233454), (123, 155636), (146, 131118), (156, 122713), (164, 116727), (219, 87412), (246, 77818), (292, 65559), (438, 43706), (492, 38909), (533, 35916), (876, 21853), (949, 20172), (1066, 17958), (1599, 11972), (1681, 11388), (1898, 10086), (2132, 8979), (2847, 6724), (2993, 6396), (3198, 5986), (3362, 5694), (3796, 5043)]