19723704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 128

約数和(自身を含む): 66286080

約数和(自身を除く): 46562376

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 821, 858, 924, 1001, 1092, 1144, 1642, 1716, 1848, 2002, 2184, 2463, 3003, 3284, 3432, 4004, 4926, 5747, 6006, 6568, 8008, 9031, 9852, 10673, 11494, 12012, 17241, 18062, 19704, 21346, 22988, 24024, 27093, 32019, 34482, 36124, 42692, 45976, 54186, 63217, 64038, 68964, 72248, 74711, 85384, 108372, 117403, 126434, 128076, 137928, 149422, 189651, 216744, 224133, 234806, 252868, 256152, 298844, 352209, 379302, 448266, 469612, 505736, 597688, 704418, 758604, 821821, 896532, 939224, 1408836, 1517208, 1643642, 1793064, 2465463, 2817672, 3287284, 4930926, 6574568, 9861852, 19723704]

約数ペア:

[(1, 19723704), (2, 9861852), (3, 6574568), (4, 4930926), (6, 3287284), (7, 2817672), (8, 2465463), (11, 1793064), (12, 1643642), (13, 1517208), (14, 1408836), (21, 939224), (22, 896532), (24, 821821), (26, 758604), (28, 704418), (33, 597688), (39, 505736), (42, 469612), (44, 448266), (52, 379302), (56, 352209), (66, 298844), (77, 256152), (78, 252868), (84, 234806), (88, 224133), (91, 216744), (104, 189651), (132, 149422), (143, 137928), (154, 128076), (156, 126434), (168, 117403), (182, 108372), (231, 85384), (264, 74711), (273, 72248), (286, 68964), (308, 64038), (312, 63217), (364, 54186), (429, 45976), (462, 42692), (546, 36124), (572, 34482), (616, 32019), (728, 27093), (821, 24024), (858, 22988), (924, 21346), (1001, 19704), (1092, 18062), (1144, 17241), (1642, 12012), (1716, 11494), (1848, 10673), (2002, 9852), (2184, 9031), (2463, 8008), (3003, 6568), (3284, 6006), (3432, 5747), (4004, 4926)]