18607840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6155

約数の個数: 48

約数和(自身を含む): 46282320

約数和(自身を除く): 27674480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6121, 12242, 24484, 30605, 48968, 61210, 97936, 116299, 122420, 195872, 232598, 244840, 465196, 489680, 581495, 930392, 979360, 1162990, 1860784, 2325980, 3721568, 4651960, 9303920, 18607840]

約数ペア:

[(1, 18607840), (2, 9303920), (4, 4651960), (5, 3721568), (8, 2325980), (10, 1860784), (16, 1162990), (19, 979360), (20, 930392), (32, 581495), (38, 489680), (40, 465196), (76, 244840), (80, 232598), (95, 195872), (152, 122420), (160, 116299), (190, 97936), (304, 61210), (380, 48968), (608, 30605), (760, 24484), (1520, 12242), (3040, 6121)]