19657088

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 24994432

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 506, 607, 704, 736, 1012, 1214, 1408, 1472, 2024, 2428, 2944, 4048, 4856, 6677, 8096, 9712, 13354, 13961, 16192, 19424, 26708, 27922, 32384, 38848, 53416, 55844, 77696, 106832, 111688, 153571, 213664, 223376, 307142, 427328, 446752, 614284, 854656, 893504, 1228568, 1787008, 2457136, 4914272, 9828544, 19657088]

約数ペア:

[(1, 19657088), (2, 9828544), (4, 4914272), (8, 2457136), (11, 1787008), (16, 1228568), (22, 893504), (23, 854656), (32, 614284), (44, 446752), (46, 427328), (64, 307142), (88, 223376), (92, 213664), (128, 153571), (176, 111688), (184, 106832), (253, 77696), (352, 55844), (368, 53416), (506, 38848), (607, 32384), (704, 27922), (736, 26708), (1012, 19424), (1214, 16192), (1408, 13961), (1472, 13354), (2024, 9712), (2428, 8096), (2944, 6677), (4048, 4856)]