19892886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 46663680

約数和(自身を除く): 26770794

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 433, 494, 589, 741, 806, 866, 1178, 1209, 1299, 1482, 1767, 2418, 2598, 3534, 5629, 7657, 8227, 11258, 13423, 15314, 16454, 16887, 22971, 24681, 26846, 33774, 40269, 45942, 49362, 80538, 106951, 174499, 213902, 255037, 320853, 348998, 510074, 523497, 641706, 765111, 1046994, 1530222, 3315481, 6630962, 9946443, 19892886]

約数ペア:

[(1, 19892886), (2, 9946443), (3, 6630962), (6, 3315481), (13, 1530222), (19, 1046994), (26, 765111), (31, 641706), (38, 523497), (39, 510074), (57, 348998), (62, 320853), (78, 255037), (93, 213902), (114, 174499), (186, 106951), (247, 80538), (403, 49362), (433, 45942), (494, 40269), (589, 33774), (741, 26846), (806, 24681), (866, 22971), (1178, 16887), (1209, 16454), (1299, 15314), (1482, 13423), (1767, 11258), (2418, 8227), (2598, 7657), (3534, 5629)]