19788158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 34503840

約数和(自身を除く): 14715682

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 977, 1066, 1558, 1954, 10127, 12701, 18563, 20254, 25402, 37126, 40057, 80114, 241319, 482638, 520741, 761083, 1041482, 1522166, 9894079, 19788158]

約数ペア:

[(1, 19788158), (2, 9894079), (13, 1522166), (19, 1041482), (26, 761083), (38, 520741), (41, 482638), (82, 241319), (247, 80114), (494, 40057), (533, 37126), (779, 25402), (977, 20254), (1066, 18563), (1558, 12701), (1954, 10127)]