19239344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 39045120

約数和(自身を除く): 19805776

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 491, 496, 632, 982, 1264, 1964, 2449, 3928, 4898, 7856, 9796, 15221, 19592, 30442, 38789, 39184, 60884, 77578, 121768, 155156, 243536, 310312, 620624, 1202459, 2404918, 4809836, 9619672, 19239344]

約数ペア:

[(1, 19239344), (2, 9619672), (4, 4809836), (8, 2404918), (16, 1202459), (31, 620624), (62, 310312), (79, 243536), (124, 155156), (158, 121768), (248, 77578), (316, 60884), (491, 39184), (496, 38789), (632, 30442), (982, 19592), (1264, 15221), (1964, 9796), (2449, 7856), (3928, 4898)]