19812988946

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1\times {\mathrm{971}}^1$

素因数の和:1379

約数の個数: 64

約数和(自身を含む): 33331979520

約数和(自身を除く): 13518990574

約数列:

[1, 2, 17, 23, 34, 46, 97, 194, 269, 391, 538, 782, 971, 1649, 1942, 2231, 3298, 4462, 4573, 6187, 9146, 12374, 16507, 22333, 26093, 33014, 37927, 44666, 52186, 75854, 94187, 105179, 188374, 210358, 261199, 379661, 443581, 522398, 600139, 759322, 887162, 1200278, 1601179, 2166301, 3202358, 4332602, 4440383, 6007577, 8880766, 10202363, 12015154, 20404726, 25336303, 36827117, 50672606, 73654234, 102128809, 204257618, 430717151, 582734969, 861434302, 1165469938, 9906494473, 19812988946]

約数ペア:

[(1, 19812988946), (2, 9906494473), (17, 1165469938), (23, 861434302), (34, 582734969), (46, 430717151), (97, 204257618), (194, 102128809), (269, 73654234), (391, 50672606), (538, 36827117), (782, 25336303), (971, 20404726), (1649, 12015154), (1942, 10202363), (2231, 8880766), (3298, 6007577), (4462, 4440383), (4573, 4332602), (6187, 3202358), (9146, 2166301), (12374, 1601179), (16507, 1200278), (22333, 887162), (26093, 759322), (33014, 600139), (37927, 522398), (44666, 443581), (52186, 379661), (75854, 261199), (94187, 210358), (105179, 188374)]