19432040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15671}}^1$

素因数の和:15713

約数の個数: 32

約数和(自身を含む): 45135360

約数和(自身を除く): 25703320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15671, 31342, 62684, 78355, 125368, 156710, 313420, 485801, 626840, 971602, 1943204, 2429005, 3886408, 4858010, 9716020, 19432040]

約数ペア:

[(1, 19432040), (2, 9716020), (4, 4858010), (5, 3886408), (8, 2429005), (10, 1943204), (20, 971602), (31, 626840), (40, 485801), (62, 313420), (124, 156710), (155, 125368), (248, 78355), (310, 62684), (620, 31342), (1240, 15671)]