19044688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 43052800

約数和(自身を除く): 24008112

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 61, 76, 79, 104, 122, 152, 158, 208, 244, 247, 304, 316, 488, 494, 632, 793, 976, 988, 1027, 1159, 1264, 1501, 1586, 1976, 2054, 2318, 3002, 3172, 3952, 4108, 4636, 4819, 6004, 6344, 8216, 9272, 9638, 12008, 12688, 15067, 16432, 18544, 19276, 19513, 24016, 30134, 38552, 39026, 60268, 62647, 77104, 78052, 91561, 120536, 125294, 156104, 183122, 241072, 250588, 312208, 366244, 501176, 732488, 1002352, 1190293, 1464976, 2380586, 4761172, 9522344, 19044688]

約数ペア:

[(1, 19044688), (2, 9522344), (4, 4761172), (8, 2380586), (13, 1464976), (16, 1190293), (19, 1002352), (26, 732488), (38, 501176), (52, 366244), (61, 312208), (76, 250588), (79, 241072), (104, 183122), (122, 156104), (152, 125294), (158, 120536), (208, 91561), (244, 78052), (247, 77104), (304, 62647), (316, 60268), (488, 39026), (494, 38552), (632, 30134), (793, 24016), (976, 19513), (988, 19276), (1027, 18544), (1159, 16432), (1264, 15067), (1501, 12688), (1586, 12008), (1976, 9638), (2054, 9272), (2318, 8216), (3002, 6344), (3172, 6004), (3952, 4819), (4108, 4636)]