19690398

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4007}}^1$

素因数の和:4038

約数の個数: 64

約数和(自身を含む): 53867520

約数和(自身を除く): 34177122

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4007, 4914, 8014, 12021, 24042, 28049, 36063, 52091, 56098, 72126, 84147, 104182, 108189, 156273, 168294, 216378, 252441, 312546, 364637, 468819, 504882, 729274, 757323, 937638, 1093911, 1406457, 1514646, 2187822, 2812914, 3281733, 6563466, 9845199, 19690398]

約数ペア:

[(1, 19690398), (2, 9845199), (3, 6563466), (6, 3281733), (7, 2812914), (9, 2187822), (13, 1514646), (14, 1406457), (18, 1093911), (21, 937638), (26, 757323), (27, 729274), (39, 504882), (42, 468819), (54, 364637), (63, 312546), (78, 252441), (91, 216378), (117, 168294), (126, 156273), (182, 108189), (189, 104182), (234, 84147), (273, 72126), (351, 56098), (378, 52091), (546, 36063), (702, 28049), (819, 24042), (1638, 12021), (2457, 8014), (4007, 4914)]