18783780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16477}}^1$

素因数の和:16508

約数の個数: 48

約数和(自身を含む): 55366080

約数和(自身を除く): 36582300

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, 16477, 32954, 49431, 65908, 82385, 98862, 164770, 197724, 247155, 313063, 329540, 494310, 626126, 939189, 988620, 1252252, 1565315, 1878378, 3130630, 3756756, 4695945, 6261260, 9391890, 18783780]

約数ペア:

[(1, 18783780), (2, 9391890), (3, 6261260), (4, 4695945), (5, 3756756), (6, 3130630), (10, 1878378), (12, 1565315), (15, 1252252), (19, 988620), (20, 939189), (30, 626126), (38, 494310), (57, 329540), (60, 313063), (76, 247155), (95, 197724), (114, 164770), (190, 98862), (228, 82385), (285, 65908), (380, 49431), (570, 32954), (1140, 16477)]