19777860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5783}}^1$

素因数の和:5817

約数の個数: 72

約数和(自身を含む): 63161280

約数和(自身を除く): 43383420

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, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5783, 11566, 17349, 23132, 28915, 34698, 52047, 57830, 69396, 86745, 104094, 109877, 115660, 173490, 208188, 219754, 260235, 329631, 346980, 439508, 520470, 549385, 659262, 988893, 1040940, 1098770, 1318524, 1648155, 1977786, 2197540, 3296310, 3955572, 4944465, 6592620, 9888930, 19777860]

約数ペア:

[(1, 19777860), (2, 9888930), (3, 6592620), (4, 4944465), (5, 3955572), (6, 3296310), (9, 2197540), (10, 1977786), (12, 1648155), (15, 1318524), (18, 1098770), (19, 1040940), (20, 988893), (30, 659262), (36, 549385), (38, 520470), (45, 439508), (57, 346980), (60, 329631), (76, 260235), (90, 219754), (95, 208188), (114, 173490), (171, 115660), (180, 109877), (190, 104094), (228, 86745), (285, 69396), (342, 57830), (380, 52047), (570, 34698), (684, 28915), (855, 23132), (1140, 17349), (1710, 11566), (3420, 5783)]