19314918

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 72

約数和(自身を含む): 49617360

約数和(自身を除く): 30302442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 61, 63, 98, 122, 126, 147, 183, 294, 359, 366, 427, 441, 549, 718, 854, 882, 1077, 1098, 1281, 2154, 2513, 2562, 2989, 3231, 3843, 5026, 5978, 6462, 7539, 7686, 8967, 15078, 17591, 17934, 21899, 22617, 26901, 35182, 43798, 45234, 52773, 53802, 65697, 105546, 131394, 153293, 158319, 197091, 306586, 316638, 394182, 459879, 919758, 1073051, 1379637, 2146102, 2759274, 3219153, 6438306, 9657459, 19314918]

約数ペア:

[(1, 19314918), (2, 9657459), (3, 6438306), (6, 3219153), (7, 2759274), (9, 2146102), (14, 1379637), (18, 1073051), (21, 919758), (42, 459879), (49, 394182), (61, 316638), (63, 306586), (98, 197091), (122, 158319), (126, 153293), (147, 131394), (183, 105546), (294, 65697), (359, 53802), (366, 52773), (427, 45234), (441, 43798), (549, 35182), (718, 26901), (854, 22617), (882, 21899), (1077, 17934), (1098, 17591), (1281, 15078), (2154, 8967), (2513, 7686), (2562, 7539), (2989, 6462), (3231, 5978), (3843, 5026)]