18746240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1759

約数の個数: 64

約数和(自身を含む): 47478960

約数和(自身を除く): 28732720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1723, 2176, 2720, 3446, 5440, 6892, 8615, 10880, 13784, 17230, 27568, 29291, 34460, 55136, 58582, 68920, 110272, 117164, 137840, 146455, 220544, 234328, 275680, 292910, 468656, 551360, 585820, 937312, 1102720, 1171640, 1874624, 2343280, 3749248, 4686560, 9373120, 18746240]

約数ペア:

[(1, 18746240), (2, 9373120), (4, 4686560), (5, 3749248), (8, 2343280), (10, 1874624), (16, 1171640), (17, 1102720), (20, 937312), (32, 585820), (34, 551360), (40, 468656), (64, 292910), (68, 275680), (80, 234328), (85, 220544), (128, 146455), (136, 137840), (160, 117164), (170, 110272), (272, 68920), (320, 58582), (340, 55136), (544, 34460), (640, 29291), (680, 27568), (1088, 17230), (1360, 13784), (1723, 10880), (2176, 8615), (2720, 6892), (3446, 5440)]