18124138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 12202262

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 233, 437, 466, 874, 1691, 2047, 3382, 4094, 4427, 5359, 8854, 10718, 20737, 38893, 41474, 77786, 101821, 203642, 394003, 476951, 788006, 953902, 9062069, 18124138]

約数ペア:

[(1, 18124138), (2, 9062069), (19, 953902), (23, 788006), (38, 476951), (46, 394003), (89, 203642), (178, 101821), (233, 77786), (437, 41474), (466, 38893), (874, 20737), (1691, 10718), (2047, 8854), (3382, 5359), (4094, 4427)]