18554480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1986

約数の個数: 80

約数和(自身を含む): 52228800

約数和(自身を除く): 33674320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 1949, 2380, 3898, 4760, 7796, 9520, 9745, 13643, 15592, 19490, 27286, 31184, 33133, 38980, 54572, 66266, 68215, 77960, 109144, 132532, 136430, 155920, 165665, 218288, 231931, 265064, 272860, 331330, 463862, 530128, 545720, 662660, 927724, 1091440, 1159655, 1325320, 1855448, 2319310, 2650640, 3710896, 4638620, 9277240, 18554480]

約数ペア:

[(1, 18554480), (2, 9277240), (4, 4638620), (5, 3710896), (7, 2650640), (8, 2319310), (10, 1855448), (14, 1325320), (16, 1159655), (17, 1091440), (20, 927724), (28, 662660), (34, 545720), (35, 530128), (40, 463862), (56, 331330), (68, 272860), (70, 265064), (80, 231931), (85, 218288), (112, 165665), (119, 155920), (136, 136430), (140, 132532), (170, 109144), (238, 77960), (272, 68215), (280, 66266), (340, 54572), (476, 38980), (560, 33133), (595, 31184), (680, 27286), (952, 19490), (1190, 15592), (1360, 13643), (1904, 9745), (1949, 9520), (2380, 7796), (3898, 4760)]