18867618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13613}}^1$

素因数の和:13639

約数の個数: 48

約数和(自身を含む): 50970816

約数和(自身を除く): 32103198

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 13613, 27226, 40839, 81678, 95291, 122517, 149743, 190582, 245034, 285873, 299486, 449229, 571746, 857619, 898458, 1048201, 1347687, 1715238, 2096402, 2695374, 3144603, 6289206, 9433809, 18867618]

約数ペア:

[(1, 18867618), (2, 9433809), (3, 6289206), (6, 3144603), (7, 2695374), (9, 2096402), (11, 1715238), (14, 1347687), (18, 1048201), (21, 898458), (22, 857619), (33, 571746), (42, 449229), (63, 299486), (66, 285873), (77, 245034), (99, 190582), (126, 149743), (154, 122517), (198, 95291), (231, 81678), (462, 40839), (693, 27226), (1386, 13613)]