18447040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3391}}^1$

素因数の和:3425

約数の個数: 56

約数和(自身を含む): 46524672

約数和(自身を除く): 28077632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3391, 5440, 6782, 13564, 16955, 27128, 33910, 54256, 57647, 67820, 108512, 115294, 135640, 217024, 230588, 271280, 288235, 461176, 542560, 576470, 922352, 1085120, 1152940, 1844704, 2305880, 3689408, 4611760, 9223520, 18447040]

約数ペア:

[(1, 18447040), (2, 9223520), (4, 4611760), (5, 3689408), (8, 2305880), (10, 1844704), (16, 1152940), (17, 1085120), (20, 922352), (32, 576470), (34, 542560), (40, 461176), (64, 288235), (68, 271280), (80, 230588), (85, 217024), (136, 135640), (160, 115294), (170, 108512), (272, 67820), (320, 57647), (340, 54256), (544, 33910), (680, 27128), (1088, 16955), (1360, 13564), (2720, 6782), (3391, 5440)]