19167280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 50782464

約数和(自身を除く): 31615184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 947, 1012, 1265, 1840, 1894, 2024, 2530, 3788, 4048, 4735, 5060, 7576, 9470, 10120, 10417, 15152, 18940, 20240, 20834, 21781, 37880, 41668, 43562, 52085, 75760, 83336, 87124, 104170, 108905, 166672, 174248, 208340, 217810, 239591, 348496, 416680, 435620, 479182, 833360, 871240, 958364, 1197955, 1742480, 1916728, 2395910, 3833456, 4791820, 9583640, 19167280]

約数ペア:

[(1, 19167280), (2, 9583640), (4, 4791820), (5, 3833456), (8, 2395910), (10, 1916728), (11, 1742480), (16, 1197955), (20, 958364), (22, 871240), (23, 833360), (40, 479182), (44, 435620), (46, 416680), (55, 348496), (80, 239591), (88, 217810), (92, 208340), (110, 174248), (115, 166672), (176, 108905), (184, 104170), (220, 87124), (230, 83336), (253, 75760), (368, 52085), (440, 43562), (460, 41668), (506, 37880), (880, 21781), (920, 20834), (947, 20240), (1012, 18940), (1265, 15152), (1840, 10417), (1894, 10120), (2024, 9470), (2530, 7576), (3788, 5060), (4048, 4735)]