19758840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7159}}^1$

素因数の和:7196

約数の個数: 64

約数和(自身を含む): 61862400

約数和(自身を除く): 42103560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7159, 14318, 21477, 28636, 35795, 42954, 57272, 71590, 85908, 107385, 143180, 164657, 171816, 214770, 286360, 329314, 429540, 493971, 658628, 823285, 859080, 987942, 1317256, 1646570, 1975884, 2469855, 3293140, 3951768, 4939710, 6586280, 9879420, 19758840]

約数ペア:

[(1, 19758840), (2, 9879420), (3, 6586280), (4, 4939710), (5, 3951768), (6, 3293140), (8, 2469855), (10, 1975884), (12, 1646570), (15, 1317256), (20, 987942), (23, 859080), (24, 823285), (30, 658628), (40, 493971), (46, 429540), (60, 329314), (69, 286360), (92, 214770), (115, 171816), (120, 164657), (138, 143180), (184, 107385), (230, 85908), (276, 71590), (345, 57272), (460, 42954), (552, 35795), (690, 28636), (920, 21477), (1380, 14318), (2760, 7159)]