18775900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 108

約数和(自身を含む): 48606264

約数和(自身を除く): 29830364

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 101, 110, 130, 143, 169, 202, 220, 260, 275, 286, 325, 338, 404, 505, 550, 572, 650, 676, 715, 845, 1010, 1100, 1111, 1300, 1313, 1430, 1690, 1859, 2020, 2222, 2525, 2626, 2860, 3380, 3575, 3718, 4225, 4444, 5050, 5252, 5555, 6565, 7150, 7436, 8450, 9295, 10100, 11110, 13130, 14300, 14443, 16900, 17069, 18590, 22220, 26260, 27775, 28886, 32825, 34138, 37180, 46475, 55550, 57772, 65650, 68276, 72215, 85345, 92950, 111100, 131300, 144430, 170690, 185900, 187759, 288860, 341380, 361075, 375518, 426725, 722150, 751036, 853450, 938795, 1444300, 1706900, 1877590, 3755180, 4693975, 9387950, 18775900]

約数ペア:

[(1, 18775900), (2, 9387950), (4, 4693975), (5, 3755180), (10, 1877590), (11, 1706900), (13, 1444300), (20, 938795), (22, 853450), (25, 751036), (26, 722150), (44, 426725), (50, 375518), (52, 361075), (55, 341380), (65, 288860), (100, 187759), (101, 185900), (110, 170690), (130, 144430), (143, 131300), (169, 111100), (202, 92950), (220, 85345), (260, 72215), (275, 68276), (286, 65650), (325, 57772), (338, 55550), (404, 46475), (505, 37180), (550, 34138), (572, 32825), (650, 28886), (676, 27775), (715, 26260), (845, 22220), (1010, 18590), (1100, 17069), (1111, 16900), (1300, 14443), (1313, 14300), (1430, 13130), (1690, 11110), (1859, 10100), (2020, 9295), (2222, 8450), (2525, 7436), (2626, 7150), (2860, 6565), (3380, 5555), (3575, 5252), (3718, 5050), (4225, 4444)]