19172340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 66358656

約数和(自身を除く): 47186316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 421, 460, 495, 506, 660, 690, 759, 828, 842, 990, 1012, 1035, 1263, 1265, 1380, 1518, 1684, 1980, 2070, 2105, 2277, 2526, 2530, 3036, 3789, 3795, 4140, 4210, 4554, 4631, 5052, 5060, 6315, 7578, 7590, 8420, 9108, 9262, 9683, 11385, 12630, 13893, 15156, 15180, 18524, 18945, 19366, 22770, 23155, 25260, 27786, 29049, 37890, 38732, 41679, 45540, 46310, 48415, 55572, 58098, 69465, 75780, 83358, 87147, 92620, 96830, 106513, 116196, 138930, 145245, 166716, 174294, 193660, 208395, 213026, 277860, 290490, 319539, 348588, 416790, 426052, 435735, 532565, 580980, 639078, 833580, 871470, 958617, 1065130, 1278156, 1597695, 1742940, 1917234, 2130260, 3195390, 3834468, 4793085, 6390780, 9586170, 19172340]

約数ペア:

[(1, 19172340), (2, 9586170), (3, 6390780), (4, 4793085), (5, 3834468), (6, 3195390), (9, 2130260), (10, 1917234), (11, 1742940), (12, 1597695), (15, 1278156), (18, 1065130), (20, 958617), (22, 871470), (23, 833580), (30, 639078), (33, 580980), (36, 532565), (44, 435735), (45, 426052), (46, 416790), (55, 348588), (60, 319539), (66, 290490), (69, 277860), (90, 213026), (92, 208395), (99, 193660), (110, 174294), (115, 166716), (132, 145245), (138, 138930), (165, 116196), (180, 106513), (198, 96830), (207, 92620), (220, 87147), (230, 83358), (253, 75780), (276, 69465), (330, 58098), (345, 55572), (396, 48415), (414, 46310), (421, 45540), (460, 41679), (495, 38732), (506, 37890), (660, 29049), (690, 27786), (759, 25260), (828, 23155), (842, 22770), (990, 19366), (1012, 18945), (1035, 18524), (1263, 15180), (1265, 15156), (1380, 13893), (1518, 12630), (1684, 11385), (1980, 9683), (2070, 9262), (2105, 9108), (2277, 8420), (2526, 7590), (2530, 7578), (3036, 6315), (3789, 5060), (3795, 5052), (4140, 4631), (4210, 4554)]