19976976

素因数分解:

$2^4\times 3^3\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:501

約数の個数: 80

約数和(自身を含む): 57942720

約数和(自身を除く): 37965744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 131, 144, 216, 262, 353, 393, 432, 524, 706, 786, 1048, 1059, 1179, 1412, 1572, 2096, 2118, 2358, 2824, 3144, 3177, 3537, 4236, 4716, 5648, 6288, 6354, 7074, 8472, 9432, 9531, 12708, 14148, 16944, 18864, 19062, 25416, 28296, 38124, 46243, 50832, 56592, 76248, 92486, 138729, 152496, 184972, 277458, 369944, 416187, 554916, 739888, 832374, 1109832, 1248561, 1664748, 2219664, 2497122, 3329496, 4994244, 6658992, 9988488, 19976976]

約数ペア:

[(1, 19976976), (2, 9988488), (3, 6658992), (4, 4994244), (6, 3329496), (8, 2497122), (9, 2219664), (12, 1664748), (16, 1248561), (18, 1109832), (24, 832374), (27, 739888), (36, 554916), (48, 416187), (54, 369944), (72, 277458), (108, 184972), (131, 152496), (144, 138729), (216, 92486), (262, 76248), (353, 56592), (393, 50832), (432, 46243), (524, 38124), (706, 28296), (786, 25416), (1048, 19062), (1059, 18864), (1179, 16944), (1412, 14148), (1572, 12708), (2096, 9531), (2118, 9432), (2358, 8472), (2824, 7074), (3144, 6354), (3177, 6288), (3537, 5648), (4236, 4716)]