19169865

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 40493376

約数和(自身を除く): 21323511

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 81, 99, 117, 135, 143, 165, 195, 297, 331, 351, 405, 429, 495, 585, 715, 891, 993, 1053, 1287, 1485, 1655, 1755, 2145, 2979, 3641, 3861, 4303, 4455, 4965, 5265, 6435, 8937, 10923, 11583, 12909, 14895, 18205, 19305, 21515, 26811, 32769, 38727, 44685, 47333, 54615, 57915, 64545, 98307, 116181, 134055, 141999, 163845, 193635, 236665, 294921, 348543, 425997, 491535, 580905, 709995, 1277991, 1474605, 1742715, 2129985, 3833973, 6389955, 19169865]

約数ペア:

[(1, 19169865), (3, 6389955), (5, 3833973), (9, 2129985), (11, 1742715), (13, 1474605), (15, 1277991), (27, 709995), (33, 580905), (39, 491535), (45, 425997), (55, 348543), (65, 294921), (81, 236665), (99, 193635), (117, 163845), (135, 141999), (143, 134055), (165, 116181), (195, 98307), (297, 64545), (331, 57915), (351, 54615), (405, 47333), (429, 44685), (495, 38727), (585, 32769), (715, 26811), (891, 21515), (993, 19305), (1053, 18205), (1287, 14895), (1485, 12909), (1655, 11583), (1755, 10923), (2145, 8937), (2979, 6435), (3641, 5265), (3861, 4965), (4303, 4455)]