18759680

素因数分解:

$2^{14}\times 5^1\times {\mathrm{229}}^1$

素因数の和:262

約数の個数: 60

約数和(自身を含む): 45218460

約数和(自身を除く): 26458780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 320, 458, 512, 640, 916, 1024, 1145, 1280, 1832, 2048, 2290, 2560, 3664, 4096, 4580, 5120, 7328, 8192, 9160, 10240, 14656, 16384, 18320, 20480, 29312, 36640, 40960, 58624, 73280, 81920, 117248, 146560, 234496, 293120, 468992, 586240, 937984, 1172480, 1875968, 2344960, 3751936, 4689920, 9379840, 18759680]

約数ペア:

[(1, 18759680), (2, 9379840), (4, 4689920), (5, 3751936), (8, 2344960), (10, 1875968), (16, 1172480), (20, 937984), (32, 586240), (40, 468992), (64, 293120), (80, 234496), (128, 146560), (160, 117248), (229, 81920), (256, 73280), (320, 58624), (458, 40960), (512, 36640), (640, 29312), (916, 20480), (1024, 18320), (1145, 16384), (1280, 14656), (1832, 10240), (2048, 9160), (2290, 8192), (2560, 7328), (3664, 5120), (4096, 4580)]