19326268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 39639040

約数和(自身を除く): 20312772

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 631, 806, 988, 1178, 1262, 1612, 2356, 2524, 7657, 8203, 11989, 15314, 16406, 19561, 23978, 30628, 32812, 39122, 47956, 78244, 155857, 254293, 311714, 371659, 508586, 623428, 743318, 1017172, 1486636, 4831567, 9663134, 19326268]

約数ペア:

[(1, 19326268), (2, 9663134), (4, 4831567), (13, 1486636), (19, 1017172), (26, 743318), (31, 623428), (38, 508586), (52, 371659), (62, 311714), (76, 254293), (124, 155857), (247, 78244), (403, 47956), (494, 39122), (589, 32812), (631, 30628), (806, 23978), (988, 19561), (1178, 16406), (1262, 15314), (1612, 11989), (2356, 8203), (2524, 7657)]