18918840696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{112951}}^1$

素因数の和:113964

約数の個数: 64

約数和(自身を含む): 54108526080

約数和(自身を除く): 35189685384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 997, 1994, 2991, 3988, 5982, 6979, 7976, 11964, 13958, 20937, 23928, 27916, 41874, 55832, 83748, 112951, 167496, 225902, 338853, 451804, 677706, 790657, 903608, 1355412, 1581314, 2371971, 2710824, 3162628, 4743942, 6325256, 9487884, 18975768, 112612147, 225224294, 337836441, 450448588, 675672882, 788285029, 900897176, 1351345764, 1576570058, 2364855087, 2702691528, 3153140116, 4729710174, 6306280232, 9459420348, 18918840696]

約数ペア:

[(1, 18918840696), (2, 9459420348), (3, 6306280232), (4, 4729710174), (6, 3153140116), (7, 2702691528), (8, 2364855087), (12, 1576570058), (14, 1351345764), (21, 900897176), (24, 788285029), (28, 675672882), (42, 450448588), (56, 337836441), (84, 225224294), (168, 112612147), (997, 18975768), (1994, 9487884), (2991, 6325256), (3988, 4743942), (5982, 3162628), (6979, 2710824), (7976, 2371971), (11964, 1581314), (13958, 1355412), (20937, 903608), (23928, 790657), (27916, 677706), (41874, 451804), (55832, 338853), (83748, 225902), (112951, 167496)]