19257700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 54246528

約数和(自身を除く): 34988828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 41, 44, 50, 55, 61, 70, 77, 82, 100, 110, 122, 140, 154, 164, 175, 205, 220, 244, 275, 287, 305, 308, 350, 385, 410, 427, 451, 550, 574, 610, 671, 700, 770, 820, 854, 902, 1025, 1100, 1148, 1220, 1342, 1435, 1525, 1540, 1708, 1804, 1925, 2050, 2135, 2255, 2501, 2684, 2870, 3050, 3157, 3355, 3850, 4100, 4270, 4510, 4697, 5002, 5740, 6100, 6314, 6710, 7175, 7700, 8540, 9020, 9394, 10004, 10675, 11275, 12505, 12628, 13420, 14350, 15785, 16775, 17507, 18788, 21350, 22550, 23485, 25010, 27511, 28700, 31570, 33550, 35014, 42700, 45100, 46970, 50020, 55022, 62525, 63140, 67100, 70028, 78925, 87535, 93940, 110044, 117425, 125050, 137555, 157850, 175070, 192577, 234850, 250100, 275110, 315700, 350140, 385154, 437675, 469700, 550220, 687775, 770308, 875350, 962885, 1375550, 1750700, 1925770, 2751100, 3851540, 4814425, 9628850, 19257700]

約数ペア:

[(1, 19257700), (2, 9628850), (4, 4814425), (5, 3851540), (7, 2751100), (10, 1925770), (11, 1750700), (14, 1375550), (20, 962885), (22, 875350), (25, 770308), (28, 687775), (35, 550220), (41, 469700), (44, 437675), (50, 385154), (55, 350140), (61, 315700), (70, 275110), (77, 250100), (82, 234850), (100, 192577), (110, 175070), (122, 157850), (140, 137555), (154, 125050), (164, 117425), (175, 110044), (205, 93940), (220, 87535), (244, 78925), (275, 70028), (287, 67100), (305, 63140), (308, 62525), (350, 55022), (385, 50020), (410, 46970), (427, 45100), (451, 42700), (550, 35014), (574, 33550), (610, 31570), (671, 28700), (700, 27511), (770, 25010), (820, 23485), (854, 22550), (902, 21350), (1025, 18788), (1100, 17507), (1148, 16775), (1220, 15785), (1342, 14350), (1435, 13420), (1525, 12628), (1540, 12505), (1708, 11275), (1804, 10675), (1925, 10004), (2050, 9394), (2135, 9020), (2255, 8540), (2501, 7700), (2684, 7175), (2870, 6710), (3050, 6314), (3157, 6100), (3355, 5740), (3850, 5002), (4100, 4697), (4270, 4510)]