2019021890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{773}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 3912105600

約数和(自身を除く): 1893083710

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 233, 295, 466, 590, 773, 1121, 1165, 1546, 2242, 2330, 3865, 4427, 5605, 7730, 8854, 11210, 13747, 14687, 22135, 27494, 29374, 44270, 45607, 68735, 73435, 91214, 137470, 146870, 180109, 228035, 261193, 360218, 456070, 522386, 866533, 900545, 1305965, 1733066, 1801090, 2611930, 3422071, 4332665, 6844142, 8665330, 10626431, 17110355, 21252862, 34220710, 53132155, 106264310, 201902189, 403804378, 1009510945, 2019021890]

約数ペア:

[(1, 2019021890), (2, 1009510945), (5, 403804378), (10, 201902189), (19, 106264310), (38, 53132155), (59, 34220710), (95, 21252862), (118, 17110355), (190, 10626431), (233, 8665330), (295, 6844142), (466, 4332665), (590, 3422071), (773, 2611930), (1121, 1801090), (1165, 1733066), (1546, 1305965), (2242, 900545), (2330, 866533), (3865, 522386), (4427, 456070), (5605, 360218), (7730, 261193), (8854, 228035), (11210, 180109), (13747, 146870), (14687, 137470), (22135, 91214), (27494, 73435), (29374, 68735), (44270, 45607)]