19387030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21255530

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 94, 95, 130, 167, 190, 235, 247, 334, 470, 494, 611, 835, 893, 1222, 1235, 1670, 1786, 2171, 2470, 3055, 3173, 4342, 4465, 6110, 6346, 7849, 8930, 10855, 11609, 15698, 15865, 21710, 23218, 31730, 39245, 41249, 58045, 78490, 82498, 102037, 116090, 149131, 204074, 206245, 298262, 412490, 510185, 745655, 1020370, 1491310, 1938703, 3877406, 9693515, 19387030]

約数ペア:

[(1, 19387030), (2, 9693515), (5, 3877406), (10, 1938703), (13, 1491310), (19, 1020370), (26, 745655), (38, 510185), (47, 412490), (65, 298262), (94, 206245), (95, 204074), (130, 149131), (167, 116090), (190, 102037), (235, 82498), (247, 78490), (334, 58045), (470, 41249), (494, 39245), (611, 31730), (835, 23218), (893, 21710), (1222, 15865), (1235, 15698), (1670, 11609), (1786, 10855), (2171, 8930), (2470, 7849), (3055, 6346), (3173, 6110), (4342, 4465)]