18564273988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{606121}}^1$

素因数の和:606188

約数の個数: 48

約数和(自身を含む): 38015971840

約数和(自身を除く): 19451697852

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 15314, 30628, 606121, 1212242, 2424484, 7879573, 11516299, 15759146, 18789751, 23032598, 31518292, 37579502, 46065196, 75159004, 149711887, 244266763, 299423774, 357005269, 488533526, 598847548, 714010538, 977067052, 1428021076, 4641068497, 9282136994, 18564273988]

約数ペア:

[(1, 18564273988), (2, 9282136994), (4, 4641068497), (13, 1428021076), (19, 977067052), (26, 714010538), (31, 598847548), (38, 488533526), (52, 357005269), (62, 299423774), (76, 244266763), (124, 149711887), (247, 75159004), (403, 46065196), (494, 37579502), (589, 31518292), (806, 23032598), (988, 18789751), (1178, 15759146), (1612, 11516299), (2356, 7879573), (7657, 2424484), (15314, 1212242), (30628, 606121)]