19104255

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1157

約数の個数: 40

約数和(自身を含む): 35074512

約数和(自身を除く): 15970257

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1097, 1161, 1935, 3291, 3483, 5485, 5805, 9873, 16455, 17415, 29619, 47171, 49365, 88857, 141513, 148095, 235855, 424539, 444285, 707565, 1273617, 2122695, 3820851, 6368085, 19104255]

約数ペア:

[(1, 19104255), (3, 6368085), (5, 3820851), (9, 2122695), (15, 1273617), (27, 707565), (43, 444285), (45, 424539), (81, 235855), (129, 148095), (135, 141513), (215, 88857), (387, 49365), (405, 47171), (645, 29619), (1097, 17415), (1161, 16455), (1935, 9873), (3291, 5805), (3483, 5485)]