19431184

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 39239552

約数和(自身を除く): 19808368

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 463, 488, 688, 926, 976, 1852, 2623, 3704, 5246, 7408, 10492, 19909, 20984, 28243, 39818, 41968, 56486, 79636, 112972, 159272, 225944, 318544, 451888, 1214449, 2428898, 4857796, 9715592, 19431184]

約数ペア:

[(1, 19431184), (2, 9715592), (4, 4857796), (8, 2428898), (16, 1214449), (43, 451888), (61, 318544), (86, 225944), (122, 159272), (172, 112972), (244, 79636), (344, 56486), (463, 41968), (488, 39818), (688, 28243), (926, 20984), (976, 19909), (1852, 10492), (2623, 7408), (3704, 5246)]