19844265

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 40334400

約数和(自身を除く): 20490135

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 49, 57, 87, 95, 105, 133, 145, 147, 203, 245, 285, 343, 399, 435, 551, 609, 665, 735, 931, 1015, 1029, 1421, 1653, 1715, 1995, 2401, 2755, 2793, 3045, 3857, 4263, 4655, 5145, 6517, 7105, 7203, 8265, 9947, 11571, 12005, 13965, 19285, 19551, 21315, 26999, 29841, 32585, 36015, 45619, 49735, 57855, 69629, 80997, 97755, 134995, 136857, 149205, 188993, 208887, 228095, 348145, 404985, 566979, 684285, 944965, 1044435, 1322951, 2834895, 3968853, 6614755, 19844265]

約数ペア:

[(1, 19844265), (3, 6614755), (5, 3968853), (7, 2834895), (15, 1322951), (19, 1044435), (21, 944965), (29, 684285), (35, 566979), (49, 404985), (57, 348145), (87, 228095), (95, 208887), (105, 188993), (133, 149205), (145, 136857), (147, 134995), (203, 97755), (245, 80997), (285, 69629), (343, 57855), (399, 49735), (435, 45619), (551, 36015), (609, 32585), (665, 29841), (735, 26999), (931, 21315), (1015, 19551), (1029, 19285), (1421, 13965), (1653, 12005), (1715, 11571), (1995, 9947), (2401, 8265), (2755, 7203), (2793, 7105), (3045, 6517), (3857, 5145), (4263, 4655)]