19968390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5689}}^1$

素因数の和:5718

約数の個数: 64

約数和(自身を含む): 57355200

約数和(自身を除く): 37386810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5689, 11378, 17067, 28445, 34134, 51201, 56890, 73957, 85335, 102402, 147914, 153603, 170670, 221871, 256005, 307206, 369785, 443742, 512010, 665613, 739570, 768015, 1109355, 1331226, 1536030, 1996839, 2218710, 3328065, 3993678, 6656130, 9984195, 19968390]

約数ペア:

[(1, 19968390), (2, 9984195), (3, 6656130), (5, 3993678), (6, 3328065), (9, 2218710), (10, 1996839), (13, 1536030), (15, 1331226), (18, 1109355), (26, 768015), (27, 739570), (30, 665613), (39, 512010), (45, 443742), (54, 369785), (65, 307206), (78, 256005), (90, 221871), (117, 170670), (130, 153603), (135, 147914), (195, 102402), (234, 85335), (270, 73957), (351, 56890), (390, 51201), (585, 34134), (702, 28445), (1170, 17067), (1755, 11378), (3510, 5689)]