19935230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 23403010

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 43, 70, 74, 86, 179, 185, 215, 259, 301, 358, 370, 430, 518, 602, 895, 1253, 1295, 1505, 1591, 1790, 2506, 2590, 3010, 3182, 6265, 6623, 7697, 7955, 11137, 12530, 13246, 15394, 15910, 22274, 33115, 38485, 46361, 53879, 55685, 66230, 76970, 92722, 107758, 111370, 231805, 269395, 284789, 463610, 538790, 569578, 1423945, 1993523, 2847890, 3987046, 9967615, 19935230]

約数ペア:

[(1, 19935230), (2, 9967615), (5, 3987046), (7, 2847890), (10, 1993523), (14, 1423945), (35, 569578), (37, 538790), (43, 463610), (70, 284789), (74, 269395), (86, 231805), (179, 111370), (185, 107758), (215, 92722), (259, 76970), (301, 66230), (358, 55685), (370, 53879), (430, 46361), (518, 38485), (602, 33115), (895, 22274), (1253, 15910), (1295, 15394), (1505, 13246), (1591, 12530), (1790, 11137), (2506, 7955), (2590, 7697), (3010, 6623), (3182, 6265)]