19445370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 57507840

約数和(自身を除く): 38062470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 31, 35, 42, 58, 62, 70, 87, 93, 103, 105, 145, 155, 174, 186, 203, 206, 210, 217, 290, 309, 310, 406, 434, 435, 465, 515, 609, 618, 651, 721, 870, 899, 930, 1015, 1030, 1085, 1218, 1302, 1442, 1545, 1798, 2030, 2163, 2170, 2697, 2987, 3045, 3090, 3193, 3255, 3605, 4326, 4495, 5394, 5974, 6090, 6293, 6386, 6510, 7210, 8961, 8990, 9579, 10815, 12586, 13485, 14935, 15965, 17922, 18879, 19158, 20909, 21630, 22351, 26970, 29870, 31465, 31930, 37758, 41818, 44702, 44805, 47895, 62727, 62930, 67053, 89610, 92597, 94395, 95790, 104545, 111755, 125454, 134106, 185194, 188790, 209090, 223510, 277791, 313635, 335265, 462985, 555582, 627270, 648179, 670530, 925970, 1296358, 1388955, 1944537, 2777910, 3240895, 3889074, 6481790, 9722685, 19445370]

約数ペア:

[(1, 19445370), (2, 9722685), (3, 6481790), (5, 3889074), (6, 3240895), (7, 2777910), (10, 1944537), (14, 1388955), (15, 1296358), (21, 925970), (29, 670530), (30, 648179), (31, 627270), (35, 555582), (42, 462985), (58, 335265), (62, 313635), (70, 277791), (87, 223510), (93, 209090), (103, 188790), (105, 185194), (145, 134106), (155, 125454), (174, 111755), (186, 104545), (203, 95790), (206, 94395), (210, 92597), (217, 89610), (290, 67053), (309, 62930), (310, 62727), (406, 47895), (434, 44805), (435, 44702), (465, 41818), (515, 37758), (609, 31930), (618, 31465), (651, 29870), (721, 26970), (870, 22351), (899, 21630), (930, 20909), (1015, 19158), (1030, 18879), (1085, 17922), (1218, 15965), (1302, 14935), (1442, 13485), (1545, 12586), (1798, 10815), (2030, 9579), (2163, 8990), (2170, 8961), (2697, 7210), (2987, 6510), (3045, 6386), (3090, 6293), (3193, 6090), (3255, 5974), (3605, 5394), (4326, 4495)]