19997196

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 49459200

約数和(自身を除く): 29462004

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 229, 383, 458, 687, 766, 916, 1149, 1374, 1532, 2298, 2748, 4351, 4596, 7277, 8702, 13053, 14554, 17404, 21831, 26106, 29108, 43662, 52212, 87324, 87707, 175414, 263121, 350828, 526242, 1052484, 1666433, 3332866, 4999299, 6665732, 9998598, 19997196]

約数ペア:

[(1, 19997196), (2, 9998598), (3, 6665732), (4, 4999299), (6, 3332866), (12, 1666433), (19, 1052484), (38, 526242), (57, 350828), (76, 263121), (114, 175414), (228, 87707), (229, 87324), (383, 52212), (458, 43662), (687, 29108), (766, 26106), (916, 21831), (1149, 17404), (1374, 14554), (1532, 13053), (2298, 8702), (2748, 7277), (4351, 4596)]