18722808

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 55495440

約数和(自身を除く): 36772632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 241, 249, 312, 332, 468, 482, 498, 664, 723, 747, 936, 964, 996, 1079, 1446, 1494, 1928, 1992, 2158, 2169, 2892, 2988, 3133, 3237, 4316, 4338, 5784, 5976, 6266, 6474, 8632, 8676, 9399, 9711, 12532, 12948, 17352, 18798, 19422, 20003, 25064, 25896, 28197, 37596, 38844, 40006, 56394, 60009, 75192, 77688, 80012, 112788, 120018, 160024, 180027, 225576, 240036, 260039, 360054, 480072, 520078, 720108, 780117, 1040156, 1440216, 1560234, 2080312, 2340351, 3120468, 4680702, 6240936, 9361404, 18722808]

約数ペア:

[(1, 18722808), (2, 9361404), (3, 6240936), (4, 4680702), (6, 3120468), (8, 2340351), (9, 2080312), (12, 1560234), (13, 1440216), (18, 1040156), (24, 780117), (26, 720108), (36, 520078), (39, 480072), (52, 360054), (72, 260039), (78, 240036), (83, 225576), (104, 180027), (117, 160024), (156, 120018), (166, 112788), (234, 80012), (241, 77688), (249, 75192), (312, 60009), (332, 56394), (468, 40006), (482, 38844), (498, 37596), (664, 28197), (723, 25896), (747, 25064), (936, 20003), (964, 19422), (996, 18798), (1079, 17352), (1446, 12948), (1494, 12532), (1928, 9711), (1992, 9399), (2158, 8676), (2169, 8632), (2892, 6474), (2988, 6266), (3133, 5976), (3237, 5784), (4316, 4338)]