18237375

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 37477440

約数和(自身を除く): 19240065

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 43, 45, 65, 75, 87, 117, 125, 129, 145, 195, 215, 225, 261, 325, 375, 377, 387, 435, 559, 585, 645, 725, 975, 1075, 1125, 1131, 1247, 1305, 1625, 1677, 1885, 1935, 2175, 2795, 2925, 3225, 3393, 3625, 3741, 4875, 5031, 5375, 5655, 6235, 6525, 8385, 9425, 9675, 10875, 11223, 13975, 14625, 16125, 16211, 16965, 18705, 25155, 28275, 31175, 32625, 41925, 47125, 48375, 48633, 56115, 69875, 81055, 84825, 93525, 125775, 141375, 145899, 155875, 209625, 243165, 280575, 405275, 424125, 467625, 628875, 729495, 1215825, 1402875, 2026375, 3647475, 6079125, 18237375]

約数ペア:

[(1, 18237375), (3, 6079125), (5, 3647475), (9, 2026375), (13, 1402875), (15, 1215825), (25, 729495), (29, 628875), (39, 467625), (43, 424125), (45, 405275), (65, 280575), (75, 243165), (87, 209625), (117, 155875), (125, 145899), (129, 141375), (145, 125775), (195, 93525), (215, 84825), (225, 81055), (261, 69875), (325, 56115), (375, 48633), (377, 48375), (387, 47125), (435, 41925), (559, 32625), (585, 31175), (645, 28275), (725, 25155), (975, 18705), (1075, 16965), (1125, 16211), (1131, 16125), (1247, 14625), (1305, 13975), (1625, 11223), (1677, 10875), (1885, 9675), (1935, 9425), (2175, 8385), (2795, 6525), (2925, 6235), (3225, 5655), (3393, 5375), (3625, 5031), (3741, 4875)]