18389340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 108

約数和(自身を含む): 59079384

約数和(自身を除く): 40690044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 283, 285, 342, 361, 380, 566, 570, 684, 722, 849, 855, 1083, 1132, 1140, 1415, 1444, 1698, 1710, 1805, 2166, 2547, 2830, 3249, 3396, 3420, 3610, 4245, 4332, 5094, 5377, 5415, 5660, 6498, 7220, 8490, 10188, 10754, 10830, 12735, 12996, 16131, 16245, 16980, 21508, 21660, 25470, 26885, 32262, 32490, 48393, 50940, 53770, 64524, 64980, 80655, 96786, 102163, 107540, 161310, 193572, 204326, 241965, 306489, 322620, 408652, 483930, 510815, 612978, 919467, 967860, 1021630, 1225956, 1532445, 1838934, 2043260, 3064890, 3677868, 4597335, 6129780, 9194670, 18389340]

約数ペア:

[(1, 18389340), (2, 9194670), (3, 6129780), (4, 4597335), (5, 3677868), (6, 3064890), (9, 2043260), (10, 1838934), (12, 1532445), (15, 1225956), (18, 1021630), (19, 967860), (20, 919467), (30, 612978), (36, 510815), (38, 483930), (45, 408652), (57, 322620), (60, 306489), (76, 241965), (90, 204326), (95, 193572), (114, 161310), (171, 107540), (180, 102163), (190, 96786), (228, 80655), (283, 64980), (285, 64524), (342, 53770), (361, 50940), (380, 48393), (566, 32490), (570, 32262), (684, 26885), (722, 25470), (849, 21660), (855, 21508), (1083, 16980), (1132, 16245), (1140, 16131), (1415, 12996), (1444, 12735), (1698, 10830), (1710, 10754), (1805, 10188), (2166, 8490), (2547, 7220), (2830, 6498), (3249, 5660), (3396, 5415), (3420, 5377), (3610, 5094), (4245, 4332)]