1806157890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{95111}}^1$

素因数の和:95335

約数の個数: 48

約数和(自身を含む): 4718316096

約数和(自身を除く): 2912158206

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 1055, 1266, 1899, 2110, 3165, 3798, 6330, 9495, 18990, 95111, 190222, 285333, 475555, 570666, 855999, 951110, 1426665, 1711998, 2853330, 4279995, 8559990, 20068421, 40136842, 60205263, 100342105, 120410526, 180615789, 200684210, 301026315, 361231578, 602052630, 903078945, 1806157890]

約数ペア:

[(1, 1806157890), (2, 903078945), (3, 602052630), (5, 361231578), (6, 301026315), (9, 200684210), (10, 180615789), (15, 120410526), (18, 100342105), (30, 60205263), (45, 40136842), (90, 20068421), (211, 8559990), (422, 4279995), (633, 2853330), (1055, 1711998), (1266, 1426665), (1899, 951110), (2110, 855999), (3165, 570666), (3798, 475555), (6330, 285333), (9495, 190222), (18990, 95111)]