18702040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3964

約数の個数: 64

約数和(自身を含む): 50932800

約数和(自身を除く): 32230760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3929, 4760, 7858, 15716, 19645, 27503, 31432, 39290, 55006, 66793, 78580, 110012, 133586, 137515, 157160, 220024, 267172, 275030, 333965, 467551, 534344, 550060, 667930, 935102, 1100120, 1335860, 1870204, 2337755, 2671720, 3740408, 4675510, 9351020, 18702040]

約数ペア:

[(1, 18702040), (2, 9351020), (4, 4675510), (5, 3740408), (7, 2671720), (8, 2337755), (10, 1870204), (14, 1335860), (17, 1100120), (20, 935102), (28, 667930), (34, 550060), (35, 534344), (40, 467551), (56, 333965), (68, 275030), (70, 267172), (85, 220024), (119, 157160), (136, 137515), (140, 133586), (170, 110012), (238, 78580), (280, 66793), (340, 55006), (476, 39290), (595, 31432), (680, 27503), (952, 19645), (1190, 15716), (2380, 7858), (3929, 4760)]