18738680240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{94793}}^1$

素因数の和:95166

約数の個数: 80

約数和(自身を含む): 49932929088

約数和(自身を除く): 31194248848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 353, 560, 706, 1412, 1765, 2471, 2824, 3530, 4942, 5648, 7060, 9884, 12355, 14120, 19768, 24710, 28240, 39536, 49420, 94793, 98840, 189586, 197680, 379172, 473965, 663551, 758344, 947930, 1327102, 1516688, 1895860, 2654204, 3317755, 3791720, 5308408, 6635510, 7583440, 10616816, 13271020, 26542040, 33461929, 53084080, 66923858, 133847716, 167309645, 234233503, 267695432, 334619290, 468467006, 535390864, 669238580, 936934012, 1171167515, 1338477160, 1873868024, 2342335030, 2676954320, 3747736048, 4684670060, 9369340120, 18738680240]

約数ペア:

[(1, 18738680240), (2, 9369340120), (4, 4684670060), (5, 3747736048), (7, 2676954320), (8, 2342335030), (10, 1873868024), (14, 1338477160), (16, 1171167515), (20, 936934012), (28, 669238580), (35, 535390864), (40, 468467006), (56, 334619290), (70, 267695432), (80, 234233503), (112, 167309645), (140, 133847716), (280, 66923858), (353, 53084080), (560, 33461929), (706, 26542040), (1412, 13271020), (1765, 10616816), (2471, 7583440), (2824, 6635510), (3530, 5308408), (4942, 3791720), (5648, 3317755), (7060, 2654204), (9884, 1895860), (12355, 1516688), (14120, 1327102), (19768, 947930), (24710, 758344), (28240, 663551), (39536, 473965), (49420, 379172), (94793, 197680), (98840, 189586)]