19319300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 56579712

約数和(自身を除く): 37260412

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 193, 220, 260, 275, 286, 308, 325, 350, 364, 385, 386, 455, 550, 572, 650, 700, 715, 770, 772, 910, 965, 1001, 1100, 1300, 1351, 1430, 1540, 1820, 1925, 1930, 2002, 2123, 2275, 2509, 2702, 2860, 3575, 3850, 3860, 4004, 4246, 4550, 4825, 5005, 5018, 5404, 6755, 7150, 7700, 8492, 9100, 9650, 10010, 10036, 10615, 12545, 13510, 14300, 14861, 17563, 19300, 20020, 21230, 25025, 25090, 27020, 27599, 29722, 33775, 35126, 42460, 50050, 50180, 53075, 55198, 59444, 62725, 67550, 70252, 74305, 87815, 100100, 106150, 110396, 125450, 135100, 137995, 148610, 175630, 193193, 212300, 250900, 275990, 297220, 351260, 371525, 386386, 439075, 551980, 689975, 743050, 772772, 878150, 965965, 1379950, 1486100, 1756300, 1931930, 2759900, 3863860, 4829825, 9659650, 19319300]

約数ペア:

[(1, 19319300), (2, 9659650), (4, 4829825), (5, 3863860), (7, 2759900), (10, 1931930), (11, 1756300), (13, 1486100), (14, 1379950), (20, 965965), (22, 878150), (25, 772772), (26, 743050), (28, 689975), (35, 551980), (44, 439075), (50, 386386), (52, 371525), (55, 351260), (65, 297220), (70, 275990), (77, 250900), (91, 212300), (100, 193193), (110, 175630), (130, 148610), (140, 137995), (143, 135100), (154, 125450), (175, 110396), (182, 106150), (193, 100100), (220, 87815), (260, 74305), (275, 70252), (286, 67550), (308, 62725), (325, 59444), (350, 55198), (364, 53075), (385, 50180), (386, 50050), (455, 42460), (550, 35126), (572, 33775), (650, 29722), (700, 27599), (715, 27020), (770, 25090), (772, 25025), (910, 21230), (965, 20020), (1001, 19300), (1100, 17563), (1300, 14861), (1351, 14300), (1430, 13510), (1540, 12545), (1820, 10615), (1925, 10036), (1930, 10010), (2002, 9650), (2123, 9100), (2275, 8492), (2509, 7700), (2702, 7150), (2860, 6755), (3575, 5404), (3850, 5018), (3860, 5005), (4004, 4825), (4246, 4550)]