19910080590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{211427}}^1$

素因数の和:211553

約数の個数: 64

約数和(自身を含む): 49565488896

約数和(自身を除く): 29655408306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 73, 86, 129, 146, 215, 219, 258, 365, 430, 438, 645, 730, 1095, 1290, 2190, 3139, 6278, 9417, 15695, 18834, 31390, 47085, 94170, 211427, 422854, 634281, 1057135, 1268562, 2114270, 3171405, 6342810, 9091361, 15434171, 18182722, 27274083, 30868342, 45456805, 46302513, 54548166, 77170855, 90913610, 92605026, 136370415, 154341710, 231512565, 272740830, 463025130, 663669353, 1327338706, 1991008059, 3318346765, 3982016118, 6636693530, 9955040295, 19910080590]

約数ペア:

[(1, 19910080590), (2, 9955040295), (3, 6636693530), (5, 3982016118), (6, 3318346765), (10, 1991008059), (15, 1327338706), (30, 663669353), (43, 463025130), (73, 272740830), (86, 231512565), (129, 154341710), (146, 136370415), (215, 92605026), (219, 90913610), (258, 77170855), (365, 54548166), (430, 46302513), (438, 45456805), (645, 30868342), (730, 27274083), (1095, 18182722), (1290, 15434171), (2190, 9091361), (3139, 6342810), (6278, 3171405), (9417, 2114270), (15695, 1268562), (18834, 1057135), (31390, 634281), (47085, 422854), (94170, 211427)]