19067325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 33331200

約数和(自身を除く): 14263875

約数列:

[1, 3, 5, 15, 25, 31, 59, 75, 93, 139, 155, 177, 295, 417, 465, 695, 775, 885, 1475, 1829, 2085, 2325, 3475, 4309, 4425, 5487, 8201, 9145, 10425, 12927, 21545, 24603, 27435, 41005, 45725, 64635, 107725, 123015, 137175, 205025, 254231, 323175, 615075, 762693, 1271155, 3813465, 6355775, 19067325]

約数ペア:

[(1, 19067325), (3, 6355775), (5, 3813465), (15, 1271155), (25, 762693), (31, 615075), (59, 323175), (75, 254231), (93, 205025), (139, 137175), (155, 123015), (177, 107725), (295, 64635), (417, 45725), (465, 41005), (695, 27435), (775, 24603), (885, 21545), (1475, 12927), (1829, 10425), (2085, 9145), (2325, 8201), (3475, 5487), (4309, 4425)]