19316458

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15520022

約数列:

[1, 2, 7, 14, 23, 46, 161, 239, 251, 322, 478, 502, 1673, 1757, 3346, 3514, 5497, 5773, 10994, 11546, 38479, 40411, 59989, 76958, 80822, 119978, 419923, 839846, 1379747, 2759494, 9658229, 19316458]

約数ペア:

[(1, 19316458), (2, 9658229), (7, 2759494), (14, 1379747), (23, 839846), (46, 419923), (161, 119978), (239, 80822), (251, 76958), (322, 59989), (478, 40411), (502, 38479), (1673, 11546), (1757, 10994), (3346, 5773), (3514, 5497)]