17899520

素因数分解:

$2^{13}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 112

約数和(自身を含む): 47183040

約数和(自身を除く): 29283520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 256, 304, 320, 368, 380, 437, 460, 512, 608, 640, 736, 760, 874, 920, 1024, 1216, 1280, 1472, 1520, 1748, 1840, 2048, 2185, 2432, 2560, 2944, 3040, 3496, 3680, 4096, 4370, 4864, 5120, 5888, 6080, 6992, 7360, 8192, 8740, 9728, 10240, 11776, 12160, 13984, 14720, 17480, 19456, 20480, 23552, 24320, 27968, 29440, 34960, 38912, 40960, 47104, 48640, 55936, 58880, 69920, 77824, 94208, 97280, 111872, 117760, 139840, 155648, 188416, 194560, 223744, 235520, 279680, 389120, 447488, 471040, 559360, 778240, 894976, 942080, 1118720, 1789952, 2237440, 3579904, 4474880, 8949760, 17899520]

約数ペア:

[(1, 17899520), (2, 8949760), (4, 4474880), (5, 3579904), (8, 2237440), (10, 1789952), (16, 1118720), (19, 942080), (20, 894976), (23, 778240), (32, 559360), (38, 471040), (40, 447488), (46, 389120), (64, 279680), (76, 235520), (80, 223744), (92, 194560), (95, 188416), (115, 155648), (128, 139840), (152, 117760), (160, 111872), (184, 97280), (190, 94208), (230, 77824), (256, 69920), (304, 58880), (320, 55936), (368, 48640), (380, 47104), (437, 40960), (460, 38912), (512, 34960), (608, 29440), (640, 27968), (736, 24320), (760, 23552), (874, 20480), (920, 19456), (1024, 17480), (1216, 14720), (1280, 13984), (1472, 12160), (1520, 11776), (1748, 10240), (1840, 9728), (2048, 8740), (2185, 8192), (2432, 7360), (2560, 6992), (2944, 6080), (3040, 5888), (3496, 5120), (3680, 4864), (4096, 4370)]