15976948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 32206720

約数和(自身を除く): 16229772

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 157, 206, 247, 314, 412, 494, 628, 988, 1339, 1957, 2041, 2678, 2983, 3914, 4082, 5356, 5966, 7828, 8164, 11932, 16171, 25441, 32342, 38779, 50882, 64684, 77558, 101764, 155116, 210223, 307249, 420446, 614498, 840892, 1228996, 3994237, 7988474, 15976948]

約数ペア:

[(1, 15976948), (2, 7988474), (4, 3994237), (13, 1228996), (19, 840892), (26, 614498), (38, 420446), (52, 307249), (76, 210223), (103, 155116), (157, 101764), (206, 77558), (247, 64684), (314, 50882), (412, 38779), (494, 32342), (628, 25441), (988, 16171), (1339, 11932), (1957, 8164), (2041, 7828), (2678, 5966), (2983, 5356), (3914, 4082)]