18796016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3637}}^1$

素因数の和:3681

約数の個数: 40

約数和(自身を含む): 40600080

約数和(自身を除く): 21804064

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3637, 5168, 7274, 14548, 29096, 58192, 61829, 69103, 123658, 138206, 247316, 276412, 494632, 552824, 989264, 1105648, 1174751, 2349502, 4699004, 9398008, 18796016]

約数ペア:

[(1, 18796016), (2, 9398008), (4, 4699004), (8, 2349502), (16, 1174751), (17, 1105648), (19, 989264), (34, 552824), (38, 494632), (68, 276412), (76, 247316), (136, 138206), (152, 123658), (272, 69103), (304, 61829), (323, 58192), (646, 29096), (1292, 14548), (2584, 7274), (3637, 5168)]