19147700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 49559328

約数和(自身を除く): 30411628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 103, 110, 130, 143, 169, 206, 220, 260, 275, 286, 325, 338, 412, 515, 550, 572, 650, 676, 715, 845, 1030, 1100, 1133, 1300, 1339, 1430, 1690, 1859, 2060, 2266, 2575, 2678, 2860, 3380, 3575, 3718, 4225, 4532, 5150, 5356, 5665, 6695, 7150, 7436, 8450, 9295, 10300, 11330, 13390, 14300, 14729, 16900, 17407, 18590, 22660, 26780, 28325, 29458, 33475, 34814, 37180, 46475, 56650, 58916, 66950, 69628, 73645, 87035, 92950, 113300, 133900, 147290, 174070, 185900, 191477, 294580, 348140, 368225, 382954, 435175, 736450, 765908, 870350, 957385, 1472900, 1740700, 1914770, 3829540, 4786925, 9573850, 19147700]

約数ペア:

[(1, 19147700), (2, 9573850), (4, 4786925), (5, 3829540), (10, 1914770), (11, 1740700), (13, 1472900), (20, 957385), (22, 870350), (25, 765908), (26, 736450), (44, 435175), (50, 382954), (52, 368225), (55, 348140), (65, 294580), (100, 191477), (103, 185900), (110, 174070), (130, 147290), (143, 133900), (169, 113300), (206, 92950), (220, 87035), (260, 73645), (275, 69628), (286, 66950), (325, 58916), (338, 56650), (412, 46475), (515, 37180), (550, 34814), (572, 33475), (650, 29458), (676, 28325), (715, 26780), (845, 22660), (1030, 18590), (1100, 17407), (1133, 16900), (1300, 14729), (1339, 14300), (1430, 13390), (1690, 11330), (1859, 10300), (2060, 9295), (2266, 8450), (2575, 7436), (2678, 7150), (2860, 6695), (3380, 5665), (3575, 5356), (3718, 5150), (4225, 4532)]