19589752

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26375048

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 379, 497, 568, 728, 758, 923, 994, 1516, 1846, 1988, 2653, 3032, 3692, 3976, 4927, 5306, 6461, 7384, 9854, 10612, 12922, 19708, 21224, 25844, 26909, 34489, 39416, 51688, 53818, 68978, 107636, 137956, 188363, 215272, 275912, 349817, 376726, 699634, 753452, 1399268, 1506904, 2448719, 2798536, 4897438, 9794876, 19589752]

約数ペア:

[(1, 19589752), (2, 9794876), (4, 4897438), (7, 2798536), (8, 2448719), (13, 1506904), (14, 1399268), (26, 753452), (28, 699634), (52, 376726), (56, 349817), (71, 275912), (91, 215272), (104, 188363), (142, 137956), (182, 107636), (284, 68978), (364, 53818), (379, 51688), (497, 39416), (568, 34489), (728, 26909), (758, 25844), (923, 21224), (994, 19708), (1516, 12922), (1846, 10612), (1988, 9854), (2653, 7384), (3032, 6461), (3692, 5306), (3976, 4927)]