18938820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 57456000

約数和(自身を除く): 38517180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 449, 555, 570, 703, 740, 898, 1110, 1140, 1347, 1406, 1796, 2109, 2220, 2245, 2694, 2812, 3515, 4218, 4490, 5388, 6735, 7030, 8436, 8531, 8980, 10545, 13470, 14060, 16613, 17062, 21090, 25593, 26940, 33226, 34124, 42180, 42655, 49839, 51186, 66452, 83065, 85310, 99678, 102372, 127965, 166130, 170620, 199356, 249195, 255930, 315647, 332260, 498390, 511860, 631294, 946941, 996780, 1262588, 1578235, 1893882, 3156470, 3787764, 4734705, 6312940, 9469410, 18938820]

約数ペア:

[(1, 18938820), (2, 9469410), (3, 6312940), (4, 4734705), (5, 3787764), (6, 3156470), (10, 1893882), (12, 1578235), (15, 1262588), (19, 996780), (20, 946941), (30, 631294), (37, 511860), (38, 498390), (57, 332260), (60, 315647), (74, 255930), (76, 249195), (95, 199356), (111, 170620), (114, 166130), (148, 127965), (185, 102372), (190, 99678), (222, 85310), (228, 83065), (285, 66452), (370, 51186), (380, 49839), (444, 42655), (449, 42180), (555, 34124), (570, 33226), (703, 26940), (740, 25593), (898, 21090), (1110, 17062), (1140, 16613), (1347, 14060), (1406, 13470), (1796, 10545), (2109, 8980), (2220, 8531), (2245, 8436), (2694, 7030), (2812, 6735), (3515, 5388), (4218, 4490)]