19556292

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 53880960

約数和(自身を除く): 34324668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 421, 474, 553, 588, 842, 948, 1106, 1263, 1659, 1684, 2212, 2526, 2947, 3318, 3871, 5052, 5894, 6636, 7742, 8841, 11613, 11788, 15484, 17682, 20629, 23226, 33259, 35364, 41258, 46452, 61887, 66518, 82516, 99777, 123774, 133036, 199554, 232813, 247548, 399108, 465626, 698439, 931252, 1396878, 1629691, 2793756, 3259382, 4889073, 6518764, 9778146, 19556292]

約数ペア:

[(1, 19556292), (2, 9778146), (3, 6518764), (4, 4889073), (6, 3259382), (7, 2793756), (12, 1629691), (14, 1396878), (21, 931252), (28, 698439), (42, 465626), (49, 399108), (79, 247548), (84, 232813), (98, 199554), (147, 133036), (158, 123774), (196, 99777), (237, 82516), (294, 66518), (316, 61887), (421, 46452), (474, 41258), (553, 35364), (588, 33259), (842, 23226), (948, 20629), (1106, 17682), (1263, 15484), (1659, 11788), (1684, 11613), (2212, 8841), (2526, 7742), (2947, 6636), (3318, 5894), (3871, 5052)]