19842992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5021}}^1$

素因数の和:5061

約数の個数: 40

約数和(自身を含む): 43590960

約数和(自身を除く): 23747968

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5021, 10042, 20084, 40168, 65273, 80336, 95399, 130546, 190798, 261092, 381596, 522184, 763192, 1044368, 1240187, 1526384, 2480374, 4960748, 9921496, 19842992]

約数ペア:

[(1, 19842992), (2, 9921496), (4, 4960748), (8, 2480374), (13, 1526384), (16, 1240187), (19, 1044368), (26, 763192), (38, 522184), (52, 381596), (76, 261092), (104, 190798), (152, 130546), (208, 95399), (247, 80336), (304, 65273), (494, 40168), (988, 20084), (1976, 10042), (3952, 5021)]