19639202485

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{1901}}^1$

素因数の和:2206

約数の個数: 64

約数和(自身を含む): 28988305920

約数和(自身を除く): 9349103435

約数列:

[1, 5, 7, 17, 35, 85, 97, 119, 179, 485, 595, 679, 895, 1253, 1649, 1901, 3043, 3395, 6265, 8245, 9505, 11543, 13307, 15215, 17363, 21301, 32317, 57715, 66535, 86815, 106505, 121541, 161585, 184397, 226219, 295171, 340279, 607705, 921985, 1131095, 1290779, 1475855, 1701395, 2066197, 2381953, 3134749, 5784743, 6453895, 10330985, 11909765, 15673745, 21943243, 28923715, 33007063, 40493201, 109716215, 165035315, 202466005, 231049441, 561120071, 1155247205, 2805600355, 3927840497, 19639202485]

約数ペア:

[(1, 19639202485), (5, 3927840497), (7, 2805600355), (17, 1155247205), (35, 561120071), (85, 231049441), (97, 202466005), (119, 165035315), (179, 109716215), (485, 40493201), (595, 33007063), (679, 28923715), (895, 21943243), (1253, 15673745), (1649, 11909765), (1901, 10330985), (3043, 6453895), (3395, 5784743), (6265, 3134749), (8245, 2381953), (9505, 2066197), (11543, 1701395), (13307, 1475855), (15215, 1290779), (17363, 1131095), (21301, 921985), (32317, 607705), (57715, 340279), (66535, 295171), (86815, 226219), (106505, 184397), (121541, 161585)]