19259388

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 52699920

約数和(自身を除く): 33440532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 761, 1332, 1406, 1522, 2109, 2283, 2812, 3044, 4218, 4566, 6327, 6849, 8436, 9132, 12654, 13698, 14459, 25308, 27396, 28157, 28918, 43377, 56314, 57836, 84471, 86754, 112628, 130131, 168942, 173508, 253413, 260262, 337884, 506826, 520524, 534983, 1013652, 1069966, 1604949, 2139932, 3209898, 4814847, 6419796, 9629694, 19259388]

約数ペア:

[(1, 19259388), (2, 9629694), (3, 6419796), (4, 4814847), (6, 3209898), (9, 2139932), (12, 1604949), (18, 1069966), (19, 1013652), (36, 534983), (37, 520524), (38, 506826), (57, 337884), (74, 260262), (76, 253413), (111, 173508), (114, 168942), (148, 130131), (171, 112628), (222, 86754), (228, 84471), (333, 57836), (342, 56314), (444, 43377), (666, 28918), (684, 28157), (703, 27396), (761, 25308), (1332, 14459), (1406, 13698), (1522, 12654), (2109, 9132), (2283, 8436), (2812, 6849), (3044, 6327), (4218, 4566)]