19431040

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 47081160

約数和(自身を除く): 27650120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 313, 320, 388, 485, 626, 640, 776, 970, 1252, 1552, 1565, 1940, 2504, 3104, 3130, 3880, 5008, 6208, 6260, 7760, 10016, 12416, 12520, 15520, 20032, 25040, 30361, 31040, 40064, 50080, 60722, 62080, 100160, 121444, 151805, 200320, 242888, 303610, 485776, 607220, 971552, 1214440, 1943104, 2428880, 3886208, 4857760, 9715520, 19431040]

約数ペア:

[(1, 19431040), (2, 9715520), (4, 4857760), (5, 3886208), (8, 2428880), (10, 1943104), (16, 1214440), (20, 971552), (32, 607220), (40, 485776), (64, 303610), (80, 242888), (97, 200320), (128, 151805), (160, 121444), (194, 100160), (313, 62080), (320, 60722), (388, 50080), (485, 40064), (626, 31040), (640, 30361), (776, 25040), (970, 20032), (1252, 15520), (1552, 12520), (1565, 12416), (1940, 10016), (2504, 7760), (3104, 6260), (3130, 6208), (3880, 5008)]