18553652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 37396800

約数和(自身を除く): 18843148

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 89, 178, 211, 247, 356, 422, 494, 844, 988, 1157, 1691, 2314, 2743, 3382, 4009, 4628, 5486, 6764, 8018, 10972, 16036, 18779, 21983, 37558, 43966, 52117, 75116, 87932, 104234, 208468, 244127, 356801, 488254, 713602, 976508, 1427204, 4638413, 9276826, 18553652]

約数ペア:

[(1, 18553652), (2, 9276826), (4, 4638413), (13, 1427204), (19, 976508), (26, 713602), (38, 488254), (52, 356801), (76, 244127), (89, 208468), (178, 104234), (211, 87932), (247, 75116), (356, 52117), (422, 43966), (494, 37558), (844, 21983), (988, 18779), (1157, 16036), (1691, 10972), (2314, 8018), (2743, 6764), (3382, 5486), (4009, 4628)]