19903884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1695

約数の個数: 96

約数和(自身を含む): 62393856

約数和(自身を除く): 42489972

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1657, 1716, 2002, 3003, 3314, 4004, 4971, 6006, 6628, 9942, 11599, 12012, 18227, 19884, 21541, 23198, 34797, 36454, 43082, 46396, 54681, 64623, 69594, 72908, 86164, 109362, 127589, 129246, 139188, 150787, 218724, 236951, 255178, 258492, 301574, 382767, 452361, 473902, 510356, 603148, 710853, 765534, 904722, 947804, 1421706, 1531068, 1658657, 1809444, 2843412, 3317314, 4975971, 6634628, 9951942, 19903884]

約数ペア:

[(1, 19903884), (2, 9951942), (3, 6634628), (4, 4975971), (6, 3317314), (7, 2843412), (11, 1809444), (12, 1658657), (13, 1531068), (14, 1421706), (21, 947804), (22, 904722), (26, 765534), (28, 710853), (33, 603148), (39, 510356), (42, 473902), (44, 452361), (52, 382767), (66, 301574), (77, 258492), (78, 255178), (84, 236951), (91, 218724), (132, 150787), (143, 139188), (154, 129246), (156, 127589), (182, 109362), (231, 86164), (273, 72908), (286, 69594), (308, 64623), (364, 54681), (429, 46396), (462, 43082), (546, 36454), (572, 34797), (858, 23198), (924, 21541), (1001, 19884), (1092, 18227), (1657, 12012), (1716, 11599), (2002, 9942), (3003, 6628), (3314, 6006), (4004, 4971)]