18757760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 34119040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 79, 80, 106, 112, 128, 140, 158, 160, 212, 224, 265, 280, 316, 320, 371, 395, 424, 448, 530, 553, 560, 632, 640, 742, 790, 848, 896, 1060, 1106, 1120, 1264, 1484, 1580, 1696, 1855, 2120, 2212, 2240, 2528, 2765, 2968, 3160, 3392, 3710, 4187, 4240, 4424, 4480, 5056, 5530, 5936, 6320, 6784, 7420, 8374, 8480, 8848, 10112, 11060, 11872, 12640, 14840, 16748, 16960, 17696, 20935, 22120, 23744, 25280, 29309, 29680, 33496, 33920, 35392, 41870, 44240, 47488, 50560, 58618, 59360, 66992, 70784, 83740, 88480, 117236, 118720, 133984, 146545, 167480, 176960, 234472, 237440, 267968, 293090, 334960, 353920, 468944, 535936, 586180, 669920, 937888, 1172360, 1339840, 1875776, 2344720, 2679680, 3751552, 4689440, 9378880, 18757760]

約数ペア:

[(1, 18757760), (2, 9378880), (4, 4689440), (5, 3751552), (7, 2679680), (8, 2344720), (10, 1875776), (14, 1339840), (16, 1172360), (20, 937888), (28, 669920), (32, 586180), (35, 535936), (40, 468944), (53, 353920), (56, 334960), (64, 293090), (70, 267968), (79, 237440), (80, 234472), (106, 176960), (112, 167480), (128, 146545), (140, 133984), (158, 118720), (160, 117236), (212, 88480), (224, 83740), (265, 70784), (280, 66992), (316, 59360), (320, 58618), (371, 50560), (395, 47488), (424, 44240), (448, 41870), (530, 35392), (553, 33920), (560, 33496), (632, 29680), (640, 29309), (742, 25280), (790, 23744), (848, 22120), (896, 20935), (1060, 17696), (1106, 16960), (1120, 16748), (1264, 14840), (1484, 12640), (1580, 11872), (1696, 11060), (1855, 10112), (2120, 8848), (2212, 8480), (2240, 8374), (2528, 7420), (2765, 6784), (2968, 6320), (3160, 5936), (3392, 5530), (3710, 5056), (4187, 4480), (4240, 4424)]