19866210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 42065310

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 383, 390, 399, 455, 494, 546, 570, 665, 741, 766, 798, 910, 1149, 1235, 1330, 1365, 1482, 1729, 1915, 1995, 2298, 2470, 2681, 2730, 3458, 3705, 3830, 3990, 4979, 5187, 5362, 5745, 7277, 7410, 8043, 8645, 9958, 10374, 11490, 13405, 14554, 14937, 16086, 17290, 21831, 24895, 25935, 26810, 29874, 34853, 36385, 40215, 43662, 49790, 50939, 51870, 69706, 72770, 74685, 80430, 94601, 101878, 104559, 109155, 149370, 152817, 174265, 189202, 209118, 218310, 254695, 283803, 305634, 348530, 473005, 509390, 522795, 567606, 662207, 764085, 946010, 1045590, 1324414, 1419015, 1528170, 1986621, 2838030, 3311035, 3973242, 6622070, 9933105, 19866210]

約数ペア:

[(1, 19866210), (2, 9933105), (3, 6622070), (5, 3973242), (6, 3311035), (7, 2838030), (10, 1986621), (13, 1528170), (14, 1419015), (15, 1324414), (19, 1045590), (21, 946010), (26, 764085), (30, 662207), (35, 567606), (38, 522795), (39, 509390), (42, 473005), (57, 348530), (65, 305634), (70, 283803), (78, 254695), (91, 218310), (95, 209118), (105, 189202), (114, 174265), (130, 152817), (133, 149370), (182, 109155), (190, 104559), (195, 101878), (210, 94601), (247, 80430), (266, 74685), (273, 72770), (285, 69706), (383, 51870), (390, 50939), (399, 49790), (455, 43662), (494, 40215), (546, 36385), (570, 34853), (665, 29874), (741, 26810), (766, 25935), (798, 24895), (910, 21831), (1149, 17290), (1235, 16086), (1330, 14937), (1365, 14554), (1482, 13405), (1729, 11490), (1915, 10374), (1995, 9958), (2298, 8645), (2470, 8043), (2681, 7410), (2730, 7277), (3458, 5745), (3705, 5362), (3830, 5187), (3990, 4979)]