19992344

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 38372400

約数和(自身を除く): 18380056

約数列:

[1, 2, 4, 8, 101, 109, 202, 218, 227, 404, 436, 454, 808, 872, 908, 1816, 11009, 22018, 22927, 24743, 44036, 45854, 49486, 88072, 91708, 98972, 183416, 197944, 2499043, 4998086, 9996172, 19992344]

約数ペア:

[(1, 19992344), (2, 9996172), (4, 4998086), (8, 2499043), (101, 197944), (109, 183416), (202, 98972), (218, 91708), (227, 88072), (404, 49486), (436, 45854), (454, 44036), (808, 24743), (872, 22927), (908, 22018), (1816, 11009)]