19210122

素因数分解:

$2^1\times 3^5\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 45654336

約数和(自身を除く): 26444214

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 47, 54, 58, 81, 87, 94, 141, 162, 174, 243, 261, 282, 423, 486, 522, 783, 841, 846, 1269, 1363, 1566, 1682, 2349, 2523, 2538, 2726, 3807, 4089, 4698, 5046, 7047, 7569, 7614, 8178, 11421, 12267, 14094, 15138, 22707, 22842, 24534, 36801, 39527, 45414, 68121, 73602, 79054, 110403, 118581, 136242, 204363, 220806, 237162, 331209, 355743, 408726, 662418, 711486, 1067229, 2134458, 3201687, 6403374, 9605061, 19210122]

約数ペア:

[(1, 19210122), (2, 9605061), (3, 6403374), (6, 3201687), (9, 2134458), (18, 1067229), (27, 711486), (29, 662418), (47, 408726), (54, 355743), (58, 331209), (81, 237162), (87, 220806), (94, 204363), (141, 136242), (162, 118581), (174, 110403), (243, 79054), (261, 73602), (282, 68121), (423, 45414), (486, 39527), (522, 36801), (783, 24534), (841, 22842), (846, 22707), (1269, 15138), (1363, 14094), (1566, 12267), (1682, 11421), (2349, 8178), (2523, 7614), (2538, 7569), (2726, 7047), (3807, 5046), (4089, 4698)]