19980072

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1415

約数の個数: 96

約数和(自身を含む): 64022400

約数和(自身を除く): 44042328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 56, 58, 63, 72, 84, 87, 116, 126, 168, 174, 203, 232, 252, 261, 348, 406, 504, 522, 609, 696, 812, 1044, 1218, 1367, 1624, 1827, 2088, 2436, 2734, 3654, 4101, 4872, 5468, 7308, 8202, 9569, 10936, 12303, 14616, 16404, 19138, 24606, 28707, 32808, 38276, 39643, 49212, 57414, 76552, 79286, 86121, 98424, 114828, 118929, 158572, 172242, 229656, 237858, 277501, 317144, 344484, 356787, 475716, 555002, 688968, 713574, 832503, 951432, 1110004, 1427148, 1665006, 2220008, 2497509, 2854296, 3330012, 4995018, 6660024, 9990036, 19980072]

約数ペア:

[(1, 19980072), (2, 9990036), (3, 6660024), (4, 4995018), (6, 3330012), (7, 2854296), (8, 2497509), (9, 2220008), (12, 1665006), (14, 1427148), (18, 1110004), (21, 951432), (24, 832503), (28, 713574), (29, 688968), (36, 555002), (42, 475716), (56, 356787), (58, 344484), (63, 317144), (72, 277501), (84, 237858), (87, 229656), (116, 172242), (126, 158572), (168, 118929), (174, 114828), (203, 98424), (232, 86121), (252, 79286), (261, 76552), (348, 57414), (406, 49212), (504, 39643), (522, 38276), (609, 32808), (696, 28707), (812, 24606), (1044, 19138), (1218, 16404), (1367, 14616), (1624, 12303), (1827, 10936), (2088, 9569), (2436, 8202), (2734, 7308), (3654, 5468), (4101, 4872)]