19104112

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 38247552

約数和(自身を除く): 19143440

約数列:

[1, 2, 4, 8, 16, 67, 71, 134, 142, 251, 268, 284, 502, 536, 568, 1004, 1072, 1136, 2008, 4016, 4757, 9514, 16817, 17821, 19028, 33634, 35642, 38056, 67268, 71284, 76112, 134536, 142568, 269072, 285136, 1194007, 2388014, 4776028, 9552056, 19104112]

約数ペア:

[(1, 19104112), (2, 9552056), (4, 4776028), (8, 2388014), (16, 1194007), (67, 285136), (71, 269072), (134, 142568), (142, 134536), (251, 76112), (268, 71284), (284, 67268), (502, 38056), (536, 35642), (568, 33634), (1004, 19028), (1072, 17821), (1136, 16817), (2008, 9514), (4016, 4757)]