19894290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1759}}^1$

素因数の和:1811

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 33328110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1759, 1885, 2262, 3518, 3770, 5277, 5655, 8795, 10554, 11310, 17590, 22867, 26385, 45734, 51011, 52770, 68601, 102022, 114335, 137202, 153033, 228670, 255055, 306066, 343005, 510110, 663143, 686010, 765165, 1326286, 1530330, 1989429, 3315715, 3978858, 6631430, 9947145, 19894290]

約数ペア:

[(1, 19894290), (2, 9947145), (3, 6631430), (5, 3978858), (6, 3315715), (10, 1989429), (13, 1530330), (15, 1326286), (26, 765165), (29, 686010), (30, 663143), (39, 510110), (58, 343005), (65, 306066), (78, 255055), (87, 228670), (130, 153033), (145, 137202), (174, 114335), (195, 102022), (290, 68601), (377, 52770), (390, 51011), (435, 45734), (754, 26385), (870, 22867), (1131, 17590), (1759, 11310), (1885, 10554), (2262, 8795), (3518, 5655), (3770, 5277)]