18381760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 112

約数和(自身を含む): 48280320

約数和(自身を除く): 29898560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 109, 124, 136, 155, 160, 170, 218, 248, 272, 310, 320, 340, 436, 496, 527, 544, 545, 620, 680, 872, 992, 1054, 1088, 1090, 1240, 1360, 1744, 1853, 1984, 2108, 2180, 2480, 2635, 2720, 3379, 3488, 3706, 4216, 4360, 4960, 5270, 5440, 6758, 6976, 7412, 8432, 8720, 9265, 9920, 10540, 13516, 14824, 16864, 16895, 17440, 18530, 21080, 27032, 29648, 33728, 33790, 34880, 37060, 42160, 54064, 57443, 59296, 67580, 74120, 84320, 108128, 114886, 118592, 135160, 148240, 168640, 216256, 229772, 270320, 287215, 296480, 459544, 540640, 574430, 592960, 919088, 1081280, 1148860, 1838176, 2297720, 3676352, 4595440, 9190880, 18381760]

約数ペア:

[(1, 18381760), (2, 9190880), (4, 4595440), (5, 3676352), (8, 2297720), (10, 1838176), (16, 1148860), (17, 1081280), (20, 919088), (31, 592960), (32, 574430), (34, 540640), (40, 459544), (62, 296480), (64, 287215), (68, 270320), (80, 229772), (85, 216256), (109, 168640), (124, 148240), (136, 135160), (155, 118592), (160, 114886), (170, 108128), (218, 84320), (248, 74120), (272, 67580), (310, 59296), (320, 57443), (340, 54064), (436, 42160), (496, 37060), (527, 34880), (544, 33790), (545, 33728), (620, 29648), (680, 27032), (872, 21080), (992, 18530), (1054, 17440), (1088, 16895), (1090, 16864), (1240, 14824), (1360, 13516), (1744, 10540), (1853, 9920), (1984, 9265), (2108, 8720), (2180, 8432), (2480, 7412), (2635, 6976), (2720, 6758), (3379, 5440), (3488, 5270), (3706, 4960), (4216, 4360)]