19856568

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 51984000

約数和(自身を除く): 32127432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 59, 74, 111, 118, 148, 177, 222, 236, 296, 354, 379, 444, 472, 708, 758, 888, 1137, 1416, 1516, 2183, 2274, 3032, 4366, 4548, 6549, 8732, 9096, 13098, 14023, 17464, 22361, 26196, 28046, 42069, 44722, 52392, 56092, 67083, 84138, 89444, 112184, 134166, 168276, 178888, 268332, 336552, 536664, 827357, 1654714, 2482071, 3309428, 4964142, 6618856, 9928284, 19856568]

約数ペア:

[(1, 19856568), (2, 9928284), (3, 6618856), (4, 4964142), (6, 3309428), (8, 2482071), (12, 1654714), (24, 827357), (37, 536664), (59, 336552), (74, 268332), (111, 178888), (118, 168276), (148, 134166), (177, 112184), (222, 89444), (236, 84138), (296, 67083), (354, 56092), (379, 52392), (444, 44722), (472, 42069), (708, 28046), (758, 26196), (888, 22361), (1137, 17464), (1416, 14023), (1516, 13098), (2183, 9096), (2274, 8732), (3032, 6549), (4366, 4548)]