19106115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 37616640

約数和(自身を除く): 18510525

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 157, 183, 285, 305, 399, 427, 471, 665, 785, 915, 1099, 1159, 1281, 1995, 2135, 2355, 2983, 3297, 3477, 5495, 5795, 6405, 8113, 8949, 9577, 14915, 16485, 17385, 20881, 24339, 28731, 40565, 44745, 47885, 62643, 67039, 104405, 121695, 143655, 181963, 201117, 313215, 335195, 545889, 909815, 1005585, 1273741, 2729445, 3821223, 6368705, 19106115]

約数ペア:

[(1, 19106115), (3, 6368705), (5, 3821223), (7, 2729445), (15, 1273741), (19, 1005585), (21, 909815), (35, 545889), (57, 335195), (61, 313215), (95, 201117), (105, 181963), (133, 143655), (157, 121695), (183, 104405), (285, 67039), (305, 62643), (399, 47885), (427, 44745), (471, 40565), (665, 28731), (785, 24339), (915, 20881), (1099, 17385), (1159, 16485), (1281, 14915), (1995, 9577), (2135, 8949), (2355, 8113), (2983, 6405), (3297, 5795), (3477, 5495)]