19796196

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 54353376

約数和(自身を除く): 34557180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 131, 147, 196, 257, 262, 294, 393, 514, 524, 588, 771, 786, 917, 1028, 1542, 1572, 1799, 1834, 2751, 3084, 3598, 3668, 5397, 5502, 6419, 7196, 10794, 11004, 12593, 12838, 19257, 21588, 25186, 25676, 33667, 37779, 38514, 50372, 67334, 75558, 77028, 101001, 134668, 151116, 202002, 235669, 404004, 471338, 707007, 942676, 1414014, 1649683, 2828028, 3299366, 4949049, 6598732, 9898098, 19796196]

約数ペア:

[(1, 19796196), (2, 9898098), (3, 6598732), (4, 4949049), (6, 3299366), (7, 2828028), (12, 1649683), (14, 1414014), (21, 942676), (28, 707007), (42, 471338), (49, 404004), (84, 235669), (98, 202002), (131, 151116), (147, 134668), (196, 101001), (257, 77028), (262, 75558), (294, 67334), (393, 50372), (514, 38514), (524, 37779), (588, 33667), (771, 25676), (786, 25186), (917, 21588), (1028, 19257), (1542, 12838), (1572, 12593), (1799, 11004), (1834, 10794), (2751, 7196), (3084, 6419), (3598, 5502), (3668, 5397)]