18857502

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2549}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 42228000

約数和(自身を除く): 23370498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 2549, 3699, 5098, 7398, 7647, 15294, 22941, 45882, 68823, 137646, 349213, 698426, 1047639, 2095278, 3142917, 6285834, 9428751, 18857502]

約数ペア:

[(1, 18857502), (2, 9428751), (3, 6285834), (6, 3142917), (9, 2095278), (18, 1047639), (27, 698426), (54, 349213), (137, 137646), (274, 68823), (411, 45882), (822, 22941), (1233, 15294), (2466, 7647), (2549, 7398), (3699, 5098)]