19974396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 55319040

約数和(自身を除く): 35344644

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 23, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 114, 138, 156, 228, 247, 276, 293, 299, 437, 494, 586, 598, 741, 874, 879, 897, 988, 1172, 1196, 1311, 1482, 1748, 1758, 1794, 2622, 2964, 3516, 3588, 3809, 5244, 5567, 5681, 6739, 7618, 11134, 11362, 11427, 13478, 15236, 16701, 17043, 20217, 22268, 22724, 22854, 26956, 33402, 34086, 40434, 45708, 66804, 68172, 72371, 80868, 87607, 128041, 144742, 175214, 217113, 256082, 262821, 289484, 350428, 384123, 434226, 512164, 525642, 768246, 868452, 1051284, 1536492, 1664533, 3329066, 4993599, 6658132, 9987198, 19974396]

約数ペア:

[(1, 19974396), (2, 9987198), (3, 6658132), (4, 4993599), (6, 3329066), (12, 1664533), (13, 1536492), (19, 1051284), (23, 868452), (26, 768246), (38, 525642), (39, 512164), (46, 434226), (52, 384123), (57, 350428), (69, 289484), (76, 262821), (78, 256082), (92, 217113), (114, 175214), (138, 144742), (156, 128041), (228, 87607), (247, 80868), (276, 72371), (293, 68172), (299, 66804), (437, 45708), (494, 40434), (586, 34086), (598, 33402), (741, 26956), (874, 22854), (879, 22724), (897, 22268), (988, 20217), (1172, 17043), (1196, 16701), (1311, 15236), (1482, 13478), (1748, 11427), (1758, 11362), (1794, 11134), (2622, 7618), (2964, 6739), (3516, 5681), (3588, 5567), (3809, 5244)]