18756420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16453}}^1$

素因数の和:16484

約数の個数: 48

約数和(自身を含む): 55285440

約数和(自身を除く): 36529020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16453, 32906, 49359, 65812, 82265, 98718, 164530, 197436, 246795, 312607, 329060, 493590, 625214, 937821, 987180, 1250428, 1563035, 1875642, 3126070, 3751284, 4689105, 6252140, 9378210, 18756420]

約数ペア:

[(1, 18756420), (2, 9378210), (3, 6252140), (4, 4689105), (5, 3751284), (6, 3126070), (10, 1875642), (12, 1563035), (15, 1250428), (19, 987180), (20, 937821), (30, 625214), (38, 493590), (57, 329060), (60, 312607), (76, 246795), (95, 197436), (114, 164530), (190, 98718), (228, 82265), (285, 65812), (380, 49359), (570, 32906), (1140, 16453)]