18934720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 33734720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 107, 112, 140, 158, 160, 214, 224, 280, 316, 320, 395, 428, 448, 535, 553, 560, 632, 749, 790, 856, 1070, 1106, 1120, 1264, 1498, 1580, 1712, 2140, 2212, 2240, 2528, 2765, 2996, 3160, 3424, 3745, 4280, 4424, 5056, 5530, 5992, 6320, 6848, 7490, 8453, 8560, 8848, 11060, 11984, 12640, 14980, 16906, 17120, 17696, 22120, 23968, 25280, 29960, 33812, 34240, 35392, 42265, 44240, 47936, 59171, 59920, 67624, 84530, 88480, 118342, 119840, 135248, 169060, 176960, 236684, 239680, 270496, 295855, 338120, 473368, 540992, 591710, 676240, 946736, 1183420, 1352480, 1893472, 2366840, 2704960, 3786944, 4733680, 9467360, 18934720]

約数ペア:

[(1, 18934720), (2, 9467360), (4, 4733680), (5, 3786944), (7, 2704960), (8, 2366840), (10, 1893472), (14, 1352480), (16, 1183420), (20, 946736), (28, 676240), (32, 591710), (35, 540992), (40, 473368), (56, 338120), (64, 295855), (70, 270496), (79, 239680), (80, 236684), (107, 176960), (112, 169060), (140, 135248), (158, 119840), (160, 118342), (214, 88480), (224, 84530), (280, 67624), (316, 59920), (320, 59171), (395, 47936), (428, 44240), (448, 42265), (535, 35392), (553, 34240), (560, 33812), (632, 29960), (749, 25280), (790, 23968), (856, 22120), (1070, 17696), (1106, 17120), (1120, 16906), (1264, 14980), (1498, 12640), (1580, 11984), (1712, 11060), (2140, 8848), (2212, 8560), (2240, 8453), (2528, 7490), (2765, 6848), (2996, 6320), (3160, 5992), (3424, 5530), (3745, 5056), (4280, 4424)]