19490768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1877}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 41916960

約数和(自身を除く): 22426192

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 176, 236, 472, 649, 944, 1298, 1877, 2596, 3754, 5192, 7508, 10384, 15016, 20647, 30032, 41294, 82588, 110743, 165176, 221486, 330352, 442972, 885944, 1218173, 1771888, 2436346, 4872692, 9745384, 19490768]

約数ペア:

[(1, 19490768), (2, 9745384), (4, 4872692), (8, 2436346), (11, 1771888), (16, 1218173), (22, 885944), (44, 442972), (59, 330352), (88, 221486), (118, 165176), (176, 110743), (236, 82588), (472, 41294), (649, 30032), (944, 20647), (1298, 15016), (1877, 10384), (2596, 7508), (3754, 5192)]