19319510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 23258410

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 145, 155, 203, 217, 290, 307, 310, 406, 434, 614, 899, 1015, 1085, 1535, 1798, 2030, 2149, 2170, 3070, 4298, 4495, 6293, 8903, 8990, 9517, 10745, 12586, 17806, 19034, 21490, 31465, 44515, 47585, 62321, 62930, 66619, 89030, 95170, 124642, 133238, 275993, 311605, 333095, 551986, 623210, 666190, 1379965, 1931951, 2759930, 3863902, 9659755, 19319510]

約数ペア:

[(1, 19319510), (2, 9659755), (5, 3863902), (7, 2759930), (10, 1931951), (14, 1379965), (29, 666190), (31, 623210), (35, 551986), (58, 333095), (62, 311605), (70, 275993), (145, 133238), (155, 124642), (203, 95170), (217, 89030), (290, 66619), (307, 62930), (310, 62321), (406, 47585), (434, 44515), (614, 31465), (899, 21490), (1015, 19034), (1085, 17806), (1535, 12586), (1798, 10745), (2030, 9517), (2149, 8990), (2170, 8903), (3070, 6293), (4298, 4495)]