19961172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 66393600

約数和(自身を除く): 46432428

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 379, 396, 399, 418, 462, 532, 627, 684, 693, 758, 798, 836, 924, 1137, 1197, 1254, 1386, 1463, 1516, 1596, 1881, 2274, 2394, 2508, 2653, 2772, 2926, 3411, 3762, 4169, 4389, 4548, 4788, 5306, 5852, 6822, 7201, 7524, 7959, 8338, 8778, 10612, 12507, 13167, 13644, 14402, 15918, 16676, 17556, 21603, 23877, 25014, 26334, 28804, 29183, 31836, 37521, 43206, 47754, 50028, 50407, 52668, 58366, 64809, 75042, 79211, 86412, 87549, 95508, 100814, 116732, 129618, 150084, 151221, 158422, 175098, 201628, 237633, 259236, 262647, 302442, 316844, 350196, 453663, 475266, 525294, 554477, 604884, 712899, 907326, 950532, 1050588, 1108954, 1425798, 1663431, 1814652, 2217908, 2851596, 3326862, 4990293, 6653724, 9980586, 19961172]

約数ペア:

[(1, 19961172), (2, 9980586), (3, 6653724), (4, 4990293), (6, 3326862), (7, 2851596), (9, 2217908), (11, 1814652), (12, 1663431), (14, 1425798), (18, 1108954), (19, 1050588), (21, 950532), (22, 907326), (28, 712899), (33, 604884), (36, 554477), (38, 525294), (42, 475266), (44, 453663), (57, 350196), (63, 316844), (66, 302442), (76, 262647), (77, 259236), (84, 237633), (99, 201628), (114, 175098), (126, 158422), (132, 151221), (133, 150084), (154, 129618), (171, 116732), (198, 100814), (209, 95508), (228, 87549), (231, 86412), (252, 79211), (266, 75042), (308, 64809), (342, 58366), (379, 52668), (396, 50407), (399, 50028), (418, 47754), (462, 43206), (532, 37521), (627, 31836), (684, 29183), (693, 28804), (758, 26334), (798, 25014), (836, 23877), (924, 21603), (1137, 17556), (1197, 16676), (1254, 15918), (1386, 14402), (1463, 13644), (1516, 13167), (1596, 12507), (1881, 10612), (2274, 8778), (2394, 8338), (2508, 7959), (2653, 7524), (2772, 7201), (2926, 6822), (3411, 5852), (3762, 5306), (4169, 4788), (4389, 4548)]