19939284

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 56918400

約数和(自身を除く): 36979116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 41, 54, 57, 76, 79, 81, 82, 108, 114, 123, 158, 162, 164, 171, 228, 237, 246, 316, 324, 342, 369, 474, 492, 513, 684, 711, 738, 779, 948, 1026, 1107, 1422, 1476, 1501, 1539, 1558, 2052, 2133, 2214, 2337, 2844, 3002, 3078, 3116, 3239, 3321, 4266, 4428, 4503, 4674, 6004, 6156, 6399, 6478, 6642, 7011, 8532, 9006, 9348, 9717, 12798, 12956, 13284, 13509, 14022, 18012, 19434, 21033, 25596, 27018, 28044, 29151, 38868, 40527, 42066, 54036, 58302, 61541, 63099, 81054, 84132, 87453, 116604, 121581, 123082, 126198, 162108, 174906, 184623, 243162, 246164, 252396, 262359, 349812, 369246, 486324, 524718, 553869, 738492, 1049436, 1107738, 1661607, 2215476, 3323214, 4984821, 6646428, 9969642, 19939284]

約数ペア:

[(1, 19939284), (2, 9969642), (3, 6646428), (4, 4984821), (6, 3323214), (9, 2215476), (12, 1661607), (18, 1107738), (19, 1049436), (27, 738492), (36, 553869), (38, 524718), (41, 486324), (54, 369246), (57, 349812), (76, 262359), (79, 252396), (81, 246164), (82, 243162), (108, 184623), (114, 174906), (123, 162108), (158, 126198), (162, 123082), (164, 121581), (171, 116604), (228, 87453), (237, 84132), (246, 81054), (316, 63099), (324, 61541), (342, 58302), (369, 54036), (474, 42066), (492, 40527), (513, 38868), (684, 29151), (711, 28044), (738, 27018), (779, 25596), (948, 21033), (1026, 19434), (1107, 18012), (1422, 14022), (1476, 13509), (1501, 13284), (1539, 12956), (1558, 12798), (2052, 9717), (2133, 9348), (2214, 9006), (2337, 8532), (2844, 7011), (3002, 6642), (3078, 6478), (3116, 6399), (3239, 6156), (3321, 6004), (4266, 4674), (4428, 4503)]