18249140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 48620544

約数和(自身を除く): 30371404

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 271, 364, 370, 455, 481, 518, 542, 740, 910, 962, 1036, 1084, 1295, 1355, 1820, 1897, 1924, 2405, 2590, 2710, 3367, 3523, 3794, 4810, 5180, 5420, 6734, 7046, 7588, 9485, 9620, 10027, 13468, 14092, 16835, 17615, 18970, 20054, 24661, 33670, 35230, 37940, 40108, 49322, 50135, 67340, 70189, 70460, 98644, 100270, 123305, 130351, 140378, 200540, 246610, 260702, 280756, 350945, 493220, 521404, 651755, 701890, 912457, 1303510, 1403780, 1824914, 2607020, 3649828, 4562285, 9124570, 18249140]

約数ペア:

[(1, 18249140), (2, 9124570), (4, 4562285), (5, 3649828), (7, 2607020), (10, 1824914), (13, 1403780), (14, 1303510), (20, 912457), (26, 701890), (28, 651755), (35, 521404), (37, 493220), (52, 350945), (65, 280756), (70, 260702), (74, 246610), (91, 200540), (130, 140378), (140, 130351), (148, 123305), (182, 100270), (185, 98644), (259, 70460), (260, 70189), (271, 67340), (364, 50135), (370, 49322), (455, 40108), (481, 37940), (518, 35230), (542, 33670), (740, 24661), (910, 20054), (962, 18970), (1036, 17615), (1084, 16835), (1295, 14092), (1355, 13468), (1820, 10027), (1897, 9620), (1924, 9485), (2405, 7588), (2590, 7046), (2710, 6734), (3367, 5420), (3523, 5180), (3794, 4810)]