19424535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 35997696

約数和(自身を除く): 16573161

約数列:

[1, 3, 5, 13, 15, 23, 39, 61, 65, 69, 71, 115, 183, 195, 213, 299, 305, 345, 355, 793, 897, 915, 923, 1065, 1403, 1495, 1633, 2379, 2769, 3965, 4209, 4331, 4485, 4615, 4899, 7015, 8165, 11895, 12993, 13845, 18239, 21045, 21229, 21655, 24495, 54717, 56303, 63687, 64965, 91195, 99613, 106145, 168909, 273585, 281515, 298839, 318435, 498065, 844545, 1294969, 1494195, 3884907, 6474845, 19424535]

約数ペア:

[(1, 19424535), (3, 6474845), (5, 3884907), (13, 1494195), (15, 1294969), (23, 844545), (39, 498065), (61, 318435), (65, 298839), (69, 281515), (71, 273585), (115, 168909), (183, 106145), (195, 99613), (213, 91195), (299, 64965), (305, 63687), (345, 56303), (355, 54717), (793, 24495), (897, 21655), (915, 21229), (923, 21045), (1065, 18239), (1403, 13845), (1495, 12993), (1633, 11895), (2379, 8165), (2769, 7015), (3965, 4899), (4209, 4615), (4331, 4485)]