19422028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 18962612

約数列:

[1, 2, 4, 19, 23, 38, 41, 46, 76, 82, 92, 164, 271, 437, 542, 779, 874, 943, 1084, 1558, 1748, 1886, 3116, 3772, 5149, 6233, 10298, 11111, 12466, 17917, 20596, 22222, 24932, 35834, 44444, 71668, 118427, 211109, 236854, 255553, 422218, 473708, 511106, 844436, 1022212, 4855507, 9711014, 19422028]

約数ペア:

[(1, 19422028), (2, 9711014), (4, 4855507), (19, 1022212), (23, 844436), (38, 511106), (41, 473708), (46, 422218), (76, 255553), (82, 236854), (92, 211109), (164, 118427), (271, 71668), (437, 44444), (542, 35834), (779, 24932), (874, 22222), (943, 20596), (1084, 17917), (1558, 12466), (1748, 11111), (1886, 10298), (3116, 6233), (3772, 5149)]