18426880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 88

約数和(自身を含む): 45689040

約数和(自身を除く): 27262160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 61, 64, 80, 118, 122, 128, 160, 236, 244, 256, 295, 305, 320, 472, 488, 512, 590, 610, 640, 944, 976, 1024, 1180, 1220, 1280, 1888, 1952, 2360, 2440, 2560, 3599, 3776, 3904, 4720, 4880, 5120, 7198, 7552, 7808, 9440, 9760, 14396, 15104, 15616, 17995, 18880, 19520, 28792, 30208, 31232, 35990, 37760, 39040, 57584, 60416, 62464, 71980, 75520, 78080, 115168, 143960, 151040, 156160, 230336, 287920, 302080, 312320, 460672, 575840, 921344, 1151680, 1842688, 2303360, 3685376, 4606720, 9213440, 18426880]

約数ペア:

[(1, 18426880), (2, 9213440), (4, 4606720), (5, 3685376), (8, 2303360), (10, 1842688), (16, 1151680), (20, 921344), (32, 575840), (40, 460672), (59, 312320), (61, 302080), (64, 287920), (80, 230336), (118, 156160), (122, 151040), (128, 143960), (160, 115168), (236, 78080), (244, 75520), (256, 71980), (295, 62464), (305, 60416), (320, 57584), (472, 39040), (488, 37760), (512, 35990), (590, 31232), (610, 30208), (640, 28792), (944, 19520), (976, 18880), (1024, 17995), (1180, 15616), (1220, 15104), (1280, 14396), (1888, 9760), (1952, 9440), (2360, 7808), (2440, 7552), (2560, 7198), (3599, 5120), (3776, 4880), (3904, 4720)]