18800892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 52324272

約数和(自身を除く): 33523380

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 241, 394, 396, 482, 591, 723, 788, 964, 1182, 1446, 1773, 2167, 2169, 2364, 2651, 2892, 3546, 4334, 4338, 5302, 6501, 7092, 7953, 8668, 8676, 10604, 13002, 15906, 19503, 23859, 26004, 31812, 39006, 47477, 47718, 78012, 94954, 95436, 142431, 189908, 284862, 427293, 522247, 569724, 854586, 1044494, 1566741, 1709172, 2088988, 3133482, 4700223, 6266964, 9400446, 18800892]

約数ペア:

[(1, 18800892), (2, 9400446), (3, 6266964), (4, 4700223), (6, 3133482), (9, 2088988), (11, 1709172), (12, 1566741), (18, 1044494), (22, 854586), (33, 569724), (36, 522247), (44, 427293), (66, 284862), (99, 189908), (132, 142431), (197, 95436), (198, 94954), (241, 78012), (394, 47718), (396, 47477), (482, 39006), (591, 31812), (723, 26004), (788, 23859), (964, 19503), (1182, 15906), (1446, 13002), (1773, 10604), (2167, 8676), (2169, 8668), (2364, 7953), (2651, 7092), (2892, 6501), (3546, 5302), (4334, 4338)]