18438930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 33452910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 41, 45, 57, 82, 90, 95, 114, 123, 171, 190, 205, 246, 263, 285, 342, 369, 410, 526, 570, 615, 738, 779, 789, 855, 1230, 1315, 1558, 1578, 1710, 1845, 2337, 2367, 2630, 3690, 3895, 3945, 4674, 4734, 4997, 7011, 7790, 7890, 9994, 10783, 11685, 11835, 14022, 14991, 21566, 23370, 23670, 24985, 29982, 32349, 35055, 44973, 49970, 53915, 64698, 70110, 74955, 89946, 97047, 107830, 149910, 161745, 194094, 204877, 224865, 323490, 409754, 449730, 485235, 614631, 970470, 1024385, 1229262, 1843893, 2048770, 3073155, 3687786, 6146310, 9219465, 18438930]

約数ペア:

[(1, 18438930), (2, 9219465), (3, 6146310), (5, 3687786), (6, 3073155), (9, 2048770), (10, 1843893), (15, 1229262), (18, 1024385), (19, 970470), (30, 614631), (38, 485235), (41, 449730), (45, 409754), (57, 323490), (82, 224865), (90, 204877), (95, 194094), (114, 161745), (123, 149910), (171, 107830), (190, 97047), (205, 89946), (246, 74955), (263, 70110), (285, 64698), (342, 53915), (369, 49970), (410, 44973), (526, 35055), (570, 32349), (615, 29982), (738, 24985), (779, 23670), (789, 23370), (855, 21566), (1230, 14991), (1315, 14022), (1558, 11835), (1578, 11685), (1710, 10783), (1845, 9994), (2337, 7890), (2367, 7790), (2630, 7011), (3690, 4997), (3895, 4734), (3945, 4674)]