19498388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 46738944

約数和(自身を除く): 27240556

約数列:

[1, 2, 4, 7, 13, 14, 17, 23, 26, 28, 34, 46, 52, 68, 91, 92, 119, 137, 161, 182, 221, 238, 274, 299, 322, 364, 391, 442, 476, 548, 598, 644, 782, 884, 959, 1196, 1547, 1564, 1781, 1918, 2093, 2329, 2737, 3094, 3151, 3562, 3836, 4186, 4658, 5083, 5474, 6188, 6302, 7124, 8372, 9316, 10166, 10948, 12467, 12604, 16303, 20332, 22057, 24934, 30277, 32606, 35581, 40963, 44114, 49868, 53567, 60554, 65212, 71162, 81926, 88228, 107134, 121108, 142324, 163852, 211939, 214268, 286741, 374969, 423878, 573482, 696371, 749938, 847756, 1146964, 1392742, 1499876, 2785484, 4874597, 9749194, 19498388]

約数ペア:

[(1, 19498388), (2, 9749194), (4, 4874597), (7, 2785484), (13, 1499876), (14, 1392742), (17, 1146964), (23, 847756), (26, 749938), (28, 696371), (34, 573482), (46, 423878), (52, 374969), (68, 286741), (91, 214268), (92, 211939), (119, 163852), (137, 142324), (161, 121108), (182, 107134), (221, 88228), (238, 81926), (274, 71162), (299, 65212), (322, 60554), (364, 53567), (391, 49868), (442, 44114), (476, 40963), (548, 35581), (598, 32606), (644, 30277), (782, 24934), (884, 22057), (959, 20332), (1196, 16303), (1547, 12604), (1564, 12467), (1781, 10948), (1918, 10166), (2093, 9316), (2329, 8372), (2737, 7124), (3094, 6302), (3151, 6188), (3562, 5474), (3836, 5083), (4186, 4658)]