20194150912

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{159683}}^1$

素因数の和:159733

約数の個数: 80

約数和(自身を含む): 45739884960

約数和(自身を除く): 25545734048

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 512, 608, 832, 988, 1216, 1664, 1976, 2432, 3328, 3952, 4864, 6656, 7904, 9728, 15808, 31616, 63232, 126464, 159683, 319366, 638732, 1277464, 2075879, 2554928, 3033977, 4151758, 5109856, 6067954, 8303516, 10219712, 12135908, 16607032, 20439424, 24271816, 33214064, 39441701, 40878848, 48543632, 66428128, 78883402, 81757696, 97087264, 132856256, 157766804, 194174528, 265712512, 315533608, 388349056, 531425024, 631067216, 776698112, 1062850048, 1262134432, 1553396224, 2524268864, 5048537728, 10097075456, 20194150912]

約数ペア:

[(1, 20194150912), (2, 10097075456), (4, 5048537728), (8, 2524268864), (13, 1553396224), (16, 1262134432), (19, 1062850048), (26, 776698112), (32, 631067216), (38, 531425024), (52, 388349056), (64, 315533608), (76, 265712512), (104, 194174528), (128, 157766804), (152, 132856256), (208, 97087264), (247, 81757696), (256, 78883402), (304, 66428128), (416, 48543632), (494, 40878848), (512, 39441701), (608, 33214064), (832, 24271816), (988, 20439424), (1216, 16607032), (1664, 12135908), (1976, 10219712), (2432, 8303516), (3328, 6067954), (3952, 5109856), (4864, 4151758), (6656, 3033977), (7904, 2554928), (9728, 2075879), (15808, 1277464), (31616, 638732), (63232, 319366), (126464, 159683)]