19654284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 52273200

約数和(自身を除く): 32618916

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 349, 361, 494, 698, 722, 741, 988, 1047, 1083, 1396, 1444, 1482, 2094, 2166, 2964, 4188, 4332, 4537, 4693, 6631, 9074, 9386, 13262, 13611, 14079, 18148, 18772, 19893, 26524, 27222, 28158, 39786, 54444, 56316, 79572, 86203, 125989, 172406, 251978, 258609, 344812, 377967, 503956, 517218, 755934, 1034436, 1511868, 1637857, 3275714, 4913571, 6551428, 9827142, 19654284]

約数ペア:

[(1, 19654284), (2, 9827142), (3, 6551428), (4, 4913571), (6, 3275714), (12, 1637857), (13, 1511868), (19, 1034436), (26, 755934), (38, 517218), (39, 503956), (52, 377967), (57, 344812), (76, 258609), (78, 251978), (114, 172406), (156, 125989), (228, 86203), (247, 79572), (349, 56316), (361, 54444), (494, 39786), (698, 28158), (722, 27222), (741, 26524), (988, 19893), (1047, 18772), (1083, 18148), (1396, 14079), (1444, 13611), (1482, 13262), (2094, 9386), (2166, 9074), (2964, 6631), (4188, 4693), (4332, 4537)]