19421536

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 39817008

約数和(自身を除く): 20395472

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 113, 131, 164, 226, 262, 328, 452, 524, 656, 904, 1048, 1312, 1808, 2096, 3616, 4192, 4633, 5371, 9266, 10742, 14803, 18532, 21484, 29606, 37064, 42968, 59212, 74128, 85936, 118424, 148256, 171872, 236848, 473696, 606923, 1213846, 2427692, 4855384, 9710768, 19421536]

約数ペア:

[(1, 19421536), (2, 9710768), (4, 4855384), (8, 2427692), (16, 1213846), (32, 606923), (41, 473696), (82, 236848), (113, 171872), (131, 148256), (164, 118424), (226, 85936), (262, 74128), (328, 59212), (452, 42968), (524, 37064), (656, 29606), (904, 21484), (1048, 18532), (1312, 14803), (1808, 10742), (2096, 9266), (3616, 5371), (4192, 4633)]