19606784

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 42924000

約数和(自身を除く): 23317216

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 139, 152, 232, 256, 278, 304, 464, 551, 556, 608, 928, 1102, 1112, 1216, 1856, 2204, 2224, 2432, 2641, 3712, 4031, 4408, 4448, 4864, 5282, 7424, 8062, 8816, 8896, 10564, 16124, 17632, 17792, 21128, 32248, 35264, 35584, 42256, 64496, 70528, 76589, 84512, 128992, 141056, 153178, 169024, 257984, 306356, 338048, 515968, 612712, 676096, 1031936, 1225424, 2450848, 4901696, 9803392, 19606784]

約数ペア:

[(1, 19606784), (2, 9803392), (4, 4901696), (8, 2450848), (16, 1225424), (19, 1031936), (29, 676096), (32, 612712), (38, 515968), (58, 338048), (64, 306356), (76, 257984), (116, 169024), (128, 153178), (139, 141056), (152, 128992), (232, 84512), (256, 76589), (278, 70528), (304, 64496), (464, 42256), (551, 35584), (556, 35264), (608, 32248), (928, 21128), (1102, 17792), (1112, 17632), (1216, 16124), (1856, 10564), (2204, 8896), (2224, 8816), (2432, 8062), (2641, 7424), (3712, 5282), (4031, 4864), (4408, 4448)]