19289940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16921}}^1$

素因数の和:16952

約数の個数: 48

約数和(自身を含む): 56857920

約数和(自身を除く): 37567980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16921, 33842, 50763, 67684, 84605, 101526, 169210, 203052, 253815, 321499, 338420, 507630, 642998, 964497, 1015260, 1285996, 1607495, 1928994, 3214990, 3857988, 4822485, 6429980, 9644970, 19289940]

約数ペア:

[(1, 19289940), (2, 9644970), (3, 6429980), (4, 4822485), (5, 3857988), (6, 3214990), (10, 1928994), (12, 1607495), (15, 1285996), (19, 1015260), (20, 964497), (30, 642998), (38, 507630), (57, 338420), (60, 321499), (76, 253815), (95, 203052), (114, 169210), (190, 101526), (228, 84605), (285, 67684), (380, 50763), (570, 33842), (1140, 16921)]