19280128

素因数分解:

$2^8\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 108

約数和(自身を含む): 47185740

約数和(自身を除く): 27905612

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 53, 56, 58, 64, 98, 106, 112, 116, 128, 196, 203, 212, 224, 232, 256, 371, 392, 406, 424, 448, 464, 742, 784, 812, 848, 896, 928, 1421, 1484, 1537, 1568, 1624, 1696, 1792, 1856, 2597, 2842, 2968, 3074, 3136, 3248, 3392, 3712, 5194, 5684, 5936, 6148, 6272, 6496, 6784, 7424, 10388, 10759, 11368, 11872, 12296, 12544, 12992, 13568, 20776, 21518, 22736, 23744, 24592, 25984, 41552, 43036, 45472, 47488, 49184, 51968, 75313, 83104, 86072, 90944, 94976, 98368, 150626, 166208, 172144, 181888, 196736, 301252, 332416, 344288, 363776, 393472, 602504, 664832, 688576, 1205008, 1377152, 2410016, 2754304, 4820032, 9640064, 19280128]

約数ペア:

[(1, 19280128), (2, 9640064), (4, 4820032), (7, 2754304), (8, 2410016), (14, 1377152), (16, 1205008), (28, 688576), (29, 664832), (32, 602504), (49, 393472), (53, 363776), (56, 344288), (58, 332416), (64, 301252), (98, 196736), (106, 181888), (112, 172144), (116, 166208), (128, 150626), (196, 98368), (203, 94976), (212, 90944), (224, 86072), (232, 83104), (256, 75313), (371, 51968), (392, 49184), (406, 47488), (424, 45472), (448, 43036), (464, 41552), (742, 25984), (784, 24592), (812, 23744), (848, 22736), (896, 21518), (928, 20776), (1421, 13568), (1484, 12992), (1537, 12544), (1568, 12296), (1624, 11872), (1696, 11368), (1792, 10759), (1856, 10388), (2597, 7424), (2842, 6784), (2968, 6496), (3074, 6272), (3136, 6148), (3248, 5936), (3392, 5684), (3712, 5194)]