18682740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 57028608

約数和(自身を除く): 38345868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 383, 542, 766, 813, 1084, 1149, 1355, 1532, 1626, 1915, 2298, 2439, 2710, 3252, 3447, 3830, 4065, 4596, 4878, 5420, 5745, 6894, 7660, 8130, 9756, 11490, 12195, 13788, 16260, 17235, 22980, 24390, 34470, 48780, 68940, 103793, 207586, 311379, 415172, 518965, 622758, 934137, 1037930, 1245516, 1556895, 1868274, 2075860, 3113790, 3736548, 4670685, 6227580, 9341370, 18682740]

約数ペア:

[(1, 18682740), (2, 9341370), (3, 6227580), (4, 4670685), (5, 3736548), (6, 3113790), (9, 2075860), (10, 1868274), (12, 1556895), (15, 1245516), (18, 1037930), (20, 934137), (30, 622758), (36, 518965), (45, 415172), (60, 311379), (90, 207586), (180, 103793), (271, 68940), (383, 48780), (542, 34470), (766, 24390), (813, 22980), (1084, 17235), (1149, 16260), (1355, 13788), (1532, 12195), (1626, 11490), (1915, 9756), (2298, 8130), (2439, 7660), (2710, 6894), (3252, 5745), (3447, 5420), (3830, 4878), (4065, 4596)]