19775580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 64520064

約数和(自身を除く): 44744484

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 83, 95, 110, 114, 132, 165, 166, 190, 209, 220, 228, 249, 285, 330, 332, 361, 380, 415, 418, 498, 570, 627, 660, 722, 830, 836, 913, 996, 1045, 1083, 1140, 1245, 1254, 1444, 1577, 1660, 1805, 1826, 2090, 2166, 2490, 2508, 2739, 3135, 3154, 3610, 3652, 3971, 4180, 4332, 4565, 4731, 4980, 5415, 5478, 6270, 6308, 7220, 7885, 7942, 9130, 9462, 10830, 10956, 11913, 12540, 13695, 15770, 15884, 17347, 18260, 18924, 19855, 21660, 23655, 23826, 27390, 29963, 31540, 34694, 39710, 47310, 47652, 52041, 54780, 59565, 59926, 69388, 79420, 86735, 89889, 94620, 104082, 119130, 119852, 149815, 173470, 179778, 208164, 238260, 260205, 299630, 329593, 346940, 359556, 449445, 520410, 599260, 659186, 898890, 988779, 1040820, 1318372, 1647965, 1797780, 1977558, 3295930, 3955116, 4943895, 6591860, 9887790, 19775580]

約数ペア:

[(1, 19775580), (2, 9887790), (3, 6591860), (4, 4943895), (5, 3955116), (6, 3295930), (10, 1977558), (11, 1797780), (12, 1647965), (15, 1318372), (19, 1040820), (20, 988779), (22, 898890), (30, 659186), (33, 599260), (38, 520410), (44, 449445), (55, 359556), (57, 346940), (60, 329593), (66, 299630), (76, 260205), (83, 238260), (95, 208164), (110, 179778), (114, 173470), (132, 149815), (165, 119852), (166, 119130), (190, 104082), (209, 94620), (220, 89889), (228, 86735), (249, 79420), (285, 69388), (330, 59926), (332, 59565), (361, 54780), (380, 52041), (415, 47652), (418, 47310), (498, 39710), (570, 34694), (627, 31540), (660, 29963), (722, 27390), (830, 23826), (836, 23655), (913, 21660), (996, 19855), (1045, 18924), (1083, 18260), (1140, 17347), (1245, 15884), (1254, 15770), (1444, 13695), (1577, 12540), (1660, 11913), (1805, 10956), (1826, 10830), (2090, 9462), (2166, 9130), (2490, 7942), (2508, 7885), (2739, 7220), (3135, 6308), (3154, 6270), (3610, 5478), (3652, 5415), (3971, 4980), (4180, 4731), (4332, 4565)]