19139085

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 40377216

約数和(自身を除く): 21238131

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 135, 157, 189, 215, 301, 315, 387, 405, 471, 567, 645, 785, 903, 945, 1099, 1161, 1413, 1505, 1935, 2355, 2709, 2835, 3297, 3483, 4239, 4515, 5495, 5805, 6751, 7065, 8127, 9891, 12717, 13545, 16485, 17415, 20253, 21195, 24381, 29673, 33755, 40635, 47257, 49455, 60759, 63585, 89019, 101265, 121905, 141771, 148365, 182277, 236285, 303795, 425313, 445095, 546831, 708855, 911385, 1275939, 2126565, 2734155, 3827817, 6379695, 19139085]

約数ペア:

[(1, 19139085), (3, 6379695), (5, 3827817), (7, 2734155), (9, 2126565), (15, 1275939), (21, 911385), (27, 708855), (35, 546831), (43, 445095), (45, 425313), (63, 303795), (81, 236285), (105, 182277), (129, 148365), (135, 141771), (157, 121905), (189, 101265), (215, 89019), (301, 63585), (315, 60759), (387, 49455), (405, 47257), (471, 40635), (567, 33755), (645, 29673), (785, 24381), (903, 21195), (945, 20253), (1099, 17415), (1161, 16485), (1413, 13545), (1505, 12717), (1935, 9891), (2355, 8127), (2709, 7065), (2835, 6751), (3297, 5805), (3483, 5495), (4239, 4515)]