19994448

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 55442880

約数和(自身を除く): 35448432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 107, 136, 204, 214, 229, 272, 321, 408, 428, 458, 642, 687, 816, 856, 916, 1284, 1374, 1712, 1819, 1832, 2568, 2748, 3638, 3664, 3893, 5136, 5457, 5496, 7276, 7786, 10914, 10992, 11679, 14552, 15572, 21828, 23358, 24503, 29104, 31144, 43656, 46716, 49006, 62288, 73509, 87312, 93432, 98012, 147018, 186864, 196024, 294036, 392048, 416551, 588072, 833102, 1176144, 1249653, 1666204, 2499306, 3332408, 4998612, 6664816, 9997224, 19994448]

約数ペア:

[(1, 19994448), (2, 9997224), (3, 6664816), (4, 4998612), (6, 3332408), (8, 2499306), (12, 1666204), (16, 1249653), (17, 1176144), (24, 833102), (34, 588072), (48, 416551), (51, 392048), (68, 294036), (102, 196024), (107, 186864), (136, 147018), (204, 98012), (214, 93432), (229, 87312), (272, 73509), (321, 62288), (408, 49006), (428, 46716), (458, 43656), (642, 31144), (687, 29104), (816, 24503), (856, 23358), (916, 21828), (1284, 15572), (1374, 14552), (1712, 11679), (1819, 10992), (1832, 10914), (2568, 7786), (2748, 7276), (3638, 5496), (3664, 5457), (3893, 5136)]