18880260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44953}}^1$

素因数の和:44972

約数の個数: 48

約数和(自身を含む): 60418176

約数和(自身を除く): 41537916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44953, 89906, 134859, 179812, 224765, 269718, 314671, 449530, 539436, 629342, 674295, 899060, 944013, 1258684, 1348590, 1573355, 1888026, 2697180, 3146710, 3776052, 4720065, 6293420, 9440130, 18880260]

約数ペア:

[(1, 18880260), (2, 9440130), (3, 6293420), (4, 4720065), (5, 3776052), (6, 3146710), (7, 2697180), (10, 1888026), (12, 1573355), (14, 1348590), (15, 1258684), (20, 944013), (21, 899060), (28, 674295), (30, 629342), (35, 539436), (42, 449530), (60, 314671), (70, 269718), (84, 224765), (105, 179812), (140, 134859), (210, 89906), (420, 44953)]