19230575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 10767505

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 107, 175, 325, 395, 455, 535, 553, 749, 1027, 1391, 1975, 2275, 2675, 2765, 3745, 5135, 6955, 7189, 8453, 9737, 13825, 18725, 25675, 34775, 35945, 42265, 48685, 59171, 109889, 179725, 211325, 243425, 295855, 549445, 769223, 1479275, 2747225, 3846115, 19230575]

約数ペア:

[(1, 19230575), (5, 3846115), (7, 2747225), (13, 1479275), (25, 769223), (35, 549445), (65, 295855), (79, 243425), (91, 211325), (107, 179725), (175, 109889), (325, 59171), (395, 48685), (455, 42265), (535, 35945), (553, 34775), (749, 25675), (1027, 18725), (1391, 13825), (1975, 9737), (2275, 8453), (2675, 7189), (2765, 6955), (3745, 5135)]