19934560

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5417}}^1$

素因数の和:5455

約数の個数: 48

約数和(自身を含む): 49152096

約数和(自身を除く): 29217536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5417, 10834, 21668, 27085, 43336, 54170, 86672, 108340, 124591, 173344, 216680, 249182, 433360, 498364, 622955, 866720, 996728, 1245910, 1993456, 2491820, 3986912, 4983640, 9967280, 19934560]

約数ペア:

[(1, 19934560), (2, 9967280), (4, 4983640), (5, 3986912), (8, 2491820), (10, 1993456), (16, 1245910), (20, 996728), (23, 866720), (32, 622955), (40, 498364), (46, 433360), (80, 249182), (92, 216680), (115, 173344), (160, 124591), (184, 108340), (230, 86672), (368, 54170), (460, 43336), (736, 27085), (920, 21668), (1840, 10834), (3680, 5417)]