19378788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 55544832

約数和(自身を除く): 36166044

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 23, 26, 33, 39, 44, 46, 52, 66, 69, 78, 92, 132, 138, 143, 156, 253, 276, 286, 299, 429, 491, 506, 572, 598, 759, 858, 897, 982, 1012, 1196, 1473, 1518, 1716, 1794, 1964, 2946, 3036, 3289, 3588, 5401, 5892, 6383, 6578, 9867, 10802, 11293, 12766, 13156, 16203, 19149, 19734, 21604, 22586, 25532, 32406, 33879, 38298, 39468, 45172, 64812, 67758, 70213, 76596, 124223, 135516, 140426, 146809, 210639, 248446, 280852, 293618, 372669, 421278, 440427, 496892, 587236, 745338, 842556, 880854, 1490676, 1614899, 1761708, 3229798, 4844697, 6459596, 9689394, 19378788]

約数ペア:

[(1, 19378788), (2, 9689394), (3, 6459596), (4, 4844697), (6, 3229798), (11, 1761708), (12, 1614899), (13, 1490676), (22, 880854), (23, 842556), (26, 745338), (33, 587236), (39, 496892), (44, 440427), (46, 421278), (52, 372669), (66, 293618), (69, 280852), (78, 248446), (92, 210639), (132, 146809), (138, 140426), (143, 135516), (156, 124223), (253, 76596), (276, 70213), (286, 67758), (299, 64812), (429, 45172), (491, 39468), (506, 38298), (572, 33879), (598, 32406), (759, 25532), (858, 22586), (897, 21604), (982, 19734), (1012, 19149), (1196, 16203), (1473, 13156), (1518, 12766), (1716, 11293), (1794, 10802), (1964, 9867), (2946, 6578), (3036, 6383), (3289, 5892), (3588, 5401)]