638528022

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18859}}^1$

素因数の和:18903

約数の個数: 80

約数和(自身を含む): 1643083200

約数和(自身を除く): 1004555178

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 162, 171, 198, 209, 297, 342, 418, 513, 594, 627, 891, 1026, 1254, 1539, 1782, 1881, 3078, 3762, 5643, 11286, 16929, 18859, 33858, 37718, 56577, 113154, 169731, 207449, 339462, 358321, 414898, 509193, 622347, 716642, 1018386, 1074963, 1244694, 1527579, 1867041, 2149926, 3055158, 3224889, 3734082, 3941531, 5601123, 6449778, 7883062, 9674667, 11202246, 11824593, 16803369, 19349334, 23649186, 29024001, 33606738, 35473779, 58048002, 70947558, 106421337, 212842674, 319264011, 638528022]

約数ペア:

[(1, 638528022), (2, 319264011), (3, 212842674), (6, 106421337), (9, 70947558), (11, 58048002), (18, 35473779), (19, 33606738), (22, 29024001), (27, 23649186), (33, 19349334), (38, 16803369), (54, 11824593), (57, 11202246), (66, 9674667), (81, 7883062), (99, 6449778), (114, 5601123), (162, 3941531), (171, 3734082), (198, 3224889), (209, 3055158), (297, 2149926), (342, 1867041), (418, 1527579), (513, 1244694), (594, 1074963), (627, 1018386), (891, 716642), (1026, 622347), (1254, 509193), (1539, 414898), (1782, 358321), (1881, 339462), (3078, 207449), (3762, 169731), (5643, 113154), (11286, 56577), (16929, 37718), (18859, 33858)]