19019104

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 40748400

約数和(自身を除く): 21729296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 349, 416, 524, 698, 1048, 1396, 1703, 2096, 2792, 3406, 4192, 4537, 5584, 6812, 9074, 11168, 13624, 18148, 27248, 36296, 45719, 54496, 72592, 91438, 145184, 182876, 365752, 594347, 731504, 1188694, 1463008, 2377388, 4754776, 9509552, 19019104]

約数ペア:

[(1, 19019104), (2, 9509552), (4, 4754776), (8, 2377388), (13, 1463008), (16, 1188694), (26, 731504), (32, 594347), (52, 365752), (104, 182876), (131, 145184), (208, 91438), (262, 72592), (349, 54496), (416, 45719), (524, 36296), (698, 27248), (1048, 18148), (1396, 13624), (1703, 11168), (2096, 9074), (2792, 6812), (3406, 5584), (4192, 4537)]