19776588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 49975296

約数和(自身を除く): 30198708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 331, 383, 662, 766, 993, 1149, 1324, 1532, 1986, 2298, 3972, 4303, 4596, 4979, 8606, 9958, 12909, 14937, 17212, 19916, 25818, 29874, 51636, 59748, 126773, 253546, 380319, 507092, 760638, 1521276, 1648049, 3296098, 4944147, 6592196, 9888294, 19776588]

約数ペア:

[(1, 19776588), (2, 9888294), (3, 6592196), (4, 4944147), (6, 3296098), (12, 1648049), (13, 1521276), (26, 760638), (39, 507092), (52, 380319), (78, 253546), (156, 126773), (331, 59748), (383, 51636), (662, 29874), (766, 25818), (993, 19916), (1149, 17212), (1324, 14937), (1532, 12909), (1986, 9958), (2298, 8606), (3972, 4979), (4303, 4596)]