19087029

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 31622400

約数和(自身を除く): 12535371

約数列:

[1, 3, 9, 13, 27, 39, 47, 89, 117, 141, 169, 267, 351, 423, 507, 611, 801, 1157, 1269, 1521, 1833, 2403, 3471, 4183, 4563, 5499, 7943, 10413, 12549, 15041, 16497, 23829, 31239, 37647, 45123, 54379, 71487, 112941, 135369, 163137, 214461, 406107, 489411, 706927, 1468233, 2120781, 6362343, 19087029]

約数ペア:

[(1, 19087029), (3, 6362343), (9, 2120781), (13, 1468233), (27, 706927), (39, 489411), (47, 406107), (89, 214461), (117, 163137), (141, 135369), (169, 112941), (267, 71487), (351, 54379), (423, 45123), (507, 37647), (611, 31239), (801, 23829), (1157, 16497), (1269, 15041), (1521, 12549), (1833, 10413), (2403, 7943), (3471, 5499), (4183, 4563)]