18450729

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 32460480

約数和(自身を除く): 14009751

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 561, 577, 627, 969, 1683, 1731, 1881, 2907, 3553, 5193, 6347, 9809, 10659, 10963, 19041, 29427, 31977, 32889, 57123, 88281, 98667, 107899, 120593, 186371, 323697, 361779, 559113, 971091, 1085337, 1677339, 2050081, 6150243, 18450729]

約数ペア:

[(1, 18450729), (3, 6150243), (9, 2050081), (11, 1677339), (17, 1085337), (19, 971091), (33, 559113), (51, 361779), (57, 323697), (99, 186371), (153, 120593), (171, 107899), (187, 98667), (209, 88281), (323, 57123), (561, 32889), (577, 31977), (627, 29427), (969, 19041), (1683, 10963), (1731, 10659), (1881, 9809), (2907, 6347), (3553, 5193)]