19771884

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 60328800

約数和(自身を除く): 40556916

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 27, 33, 34, 36, 44, 51, 54, 66, 68, 89, 99, 102, 108, 121, 132, 153, 178, 187, 198, 204, 242, 267, 297, 306, 356, 363, 374, 396, 459, 484, 534, 561, 594, 612, 726, 748, 801, 918, 979, 1068, 1089, 1122, 1188, 1452, 1513, 1602, 1683, 1836, 1958, 2057, 2178, 2244, 2403, 2937, 3026, 3204, 3267, 3366, 3916, 4114, 4356, 4539, 4806, 5049, 5874, 6052, 6171, 6534, 6732, 8228, 8811, 9078, 9612, 10098, 10769, 11748, 12342, 13068, 13617, 16643, 17622, 18156, 18513, 20196, 21538, 24684, 26433, 27234, 32307, 33286, 35244, 37026, 40851, 43076, 49929, 52866, 54468, 55539, 64614, 66572, 74052, 81702, 96921, 99858, 105732, 111078, 129228, 149787, 163404, 183073, 193842, 199716, 222156, 290763, 299574, 366146, 387684, 449361, 549219, 581526, 599148, 732292, 898722, 1098438, 1163052, 1647657, 1797444, 2196876, 3295314, 4942971, 6590628, 9885942, 19771884]

約数ペア:

[(1, 19771884), (2, 9885942), (3, 6590628), (4, 4942971), (6, 3295314), (9, 2196876), (11, 1797444), (12, 1647657), (17, 1163052), (18, 1098438), (22, 898722), (27, 732292), (33, 599148), (34, 581526), (36, 549219), (44, 449361), (51, 387684), (54, 366146), (66, 299574), (68, 290763), (89, 222156), (99, 199716), (102, 193842), (108, 183073), (121, 163404), (132, 149787), (153, 129228), (178, 111078), (187, 105732), (198, 99858), (204, 96921), (242, 81702), (267, 74052), (297, 66572), (306, 64614), (356, 55539), (363, 54468), (374, 52866), (396, 49929), (459, 43076), (484, 40851), (534, 37026), (561, 35244), (594, 33286), (612, 32307), (726, 27234), (748, 26433), (801, 24684), (918, 21538), (979, 20196), (1068, 18513), (1089, 18156), (1122, 17622), (1188, 16643), (1452, 13617), (1513, 13068), (1602, 12342), (1683, 11748), (1836, 10769), (1958, 10098), (2057, 9612), (2178, 9078), (2244, 8811), (2403, 8228), (2937, 6732), (3026, 6534), (3204, 6171), (3267, 6052), (3366, 5874), (3916, 5049), (4114, 4806), (4356, 4539)]