19728343910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{54563}}^1$

素因数の和:54773

約数の個数: 64

約数和(自身を含む): 41014667520

約数和(自身を除く): 21286323610

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 173, 190, 209, 346, 418, 865, 1045, 1730, 1903, 2090, 3287, 3806, 6574, 9515, 16435, 19030, 32870, 36157, 54563, 72314, 109126, 180785, 272815, 361570, 545630, 600193, 1036697, 1200386, 2073394, 3000965, 5183485, 6001930, 9439399, 10366970, 11403667, 18878798, 22807334, 47196995, 57018335, 94393990, 103833389, 114036670, 179348581, 207666778, 358697162, 519166945, 896742905, 1038333890, 1793485810, 1972834391, 3945668782, 9864171955, 19728343910]

約数ペア:

[(1, 19728343910), (2, 9864171955), (5, 3945668782), (10, 1972834391), (11, 1793485810), (19, 1038333890), (22, 896742905), (38, 519166945), (55, 358697162), (95, 207666778), (110, 179348581), (173, 114036670), (190, 103833389), (209, 94393990), (346, 57018335), (418, 47196995), (865, 22807334), (1045, 18878798), (1730, 11403667), (1903, 10366970), (2090, 9439399), (3287, 6001930), (3806, 5183485), (6574, 3000965), (9515, 2073394), (16435, 1200386), (19030, 1036697), (32870, 600193), (36157, 545630), (54563, 361570), (72314, 272815), (109126, 180785)]