18071560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1558

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 27651320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1511, 2392, 2990, 3022, 5980, 6044, 7555, 11960, 12088, 15110, 19643, 30220, 34753, 39286, 60440, 69506, 78572, 98215, 139012, 157144, 173765, 196430, 278024, 347530, 392860, 451789, 695060, 785720, 903578, 1390120, 1807156, 2258945, 3614312, 4517890, 9035780, 18071560]

約数ペア:

[(1, 18071560), (2, 9035780), (4, 4517890), (5, 3614312), (8, 2258945), (10, 1807156), (13, 1390120), (20, 903578), (23, 785720), (26, 695060), (40, 451789), (46, 392860), (52, 347530), (65, 278024), (92, 196430), (104, 173765), (115, 157144), (130, 139012), (184, 98215), (230, 78572), (260, 69506), (299, 60440), (460, 39286), (520, 34753), (598, 30220), (920, 19643), (1196, 15110), (1495, 12088), (1511, 11960), (2392, 7555), (2990, 6044), (3022, 5980)]