19979784

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{2803}}^1$

素因数の和:2832

約数の個数: 80

約数和(自身を含む): 61071120

約数和(自身を除く): 41091336

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 264, 297, 324, 396, 594, 648, 792, 891, 1188, 1782, 2376, 2803, 3564, 5606, 7128, 8409, 11212, 16818, 22424, 25227, 30833, 33636, 50454, 61666, 67272, 75681, 92499, 100908, 123332, 151362, 184998, 201816, 227043, 246664, 277497, 302724, 369996, 454086, 554994, 605448, 739992, 832491, 908172, 1109988, 1664982, 1816344, 2219976, 2497473, 3329964, 4994946, 6659928, 9989892, 19979784]

約数ペア:

[(1, 19979784), (2, 9989892), (3, 6659928), (4, 4994946), (6, 3329964), (8, 2497473), (9, 2219976), (11, 1816344), (12, 1664982), (18, 1109988), (22, 908172), (24, 832491), (27, 739992), (33, 605448), (36, 554994), (44, 454086), (54, 369996), (66, 302724), (72, 277497), (81, 246664), (88, 227043), (99, 201816), (108, 184998), (132, 151362), (162, 123332), (198, 100908), (216, 92499), (264, 75681), (297, 67272), (324, 61666), (396, 50454), (594, 33636), (648, 30833), (792, 25227), (891, 22424), (1188, 16818), (1782, 11212), (2376, 8409), (2803, 7128), (3564, 5606)]