18698240

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 104

約数和(自身を含む): 49539168

約数和(自身を除く): 30840928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 110, 128, 160, 166, 176, 220, 256, 320, 332, 352, 415, 440, 512, 640, 664, 704, 830, 880, 913, 1024, 1280, 1328, 1408, 1660, 1760, 1826, 2048, 2560, 2656, 2816, 3320, 3520, 3652, 4096, 4565, 5120, 5312, 5632, 6640, 7040, 7304, 9130, 10240, 10624, 11264, 13280, 14080, 14608, 18260, 20480, 21248, 22528, 26560, 28160, 29216, 36520, 42496, 45056, 53120, 56320, 58432, 73040, 84992, 106240, 112640, 116864, 146080, 169984, 212480, 225280, 233728, 292160, 339968, 424960, 467456, 584320, 849920, 934912, 1168640, 1699840, 1869824, 2337280, 3739648, 4674560, 9349120, 18698240]

約数ペア:

[(1, 18698240), (2, 9349120), (4, 4674560), (5, 3739648), (8, 2337280), (10, 1869824), (11, 1699840), (16, 1168640), (20, 934912), (22, 849920), (32, 584320), (40, 467456), (44, 424960), (55, 339968), (64, 292160), (80, 233728), (83, 225280), (88, 212480), (110, 169984), (128, 146080), (160, 116864), (166, 112640), (176, 106240), (220, 84992), (256, 73040), (320, 58432), (332, 56320), (352, 53120), (415, 45056), (440, 42496), (512, 36520), (640, 29216), (664, 28160), (704, 26560), (830, 22528), (880, 21248), (913, 20480), (1024, 18260), (1280, 14608), (1328, 14080), (1408, 13280), (1660, 11264), (1760, 10624), (1826, 10240), (2048, 9130), (2560, 7304), (2656, 7040), (2816, 6640), (3320, 5632), (3520, 5312), (3652, 5120), (4096, 4565)]