19311630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 50379840

約数和(自身を除く): 31068210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 293, 338, 390, 507, 586, 845, 879, 1014, 1465, 1690, 1758, 2197, 2535, 2930, 3809, 4394, 4395, 5070, 6591, 7618, 8790, 10985, 11427, 13182, 19045, 21970, 22854, 32955, 38090, 49517, 57135, 65910, 99034, 114270, 148551, 247585, 297102, 495170, 643721, 742755, 1287442, 1485510, 1931163, 3218605, 3862326, 6437210, 9655815, 19311630]

約数ペア:

[(1, 19311630), (2, 9655815), (3, 6437210), (5, 3862326), (6, 3218605), (10, 1931163), (13, 1485510), (15, 1287442), (26, 742755), (30, 643721), (39, 495170), (65, 297102), (78, 247585), (130, 148551), (169, 114270), (195, 99034), (293, 65910), (338, 57135), (390, 49517), (507, 38090), (586, 32955), (845, 22854), (879, 21970), (1014, 19045), (1465, 13182), (1690, 11427), (1758, 10985), (2197, 8790), (2535, 7618), (2930, 6591), (3809, 5070), (4394, 4395)]