19427985

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6257}}^1$

素因数の和:6294

約数の個数: 32

約数和(自身を含む): 36046080

約数和(自身を除く): 16618095

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6257, 18771, 31285, 56313, 93855, 143911, 168939, 281565, 431733, 719555, 844695, 1295199, 2158665, 3885597, 6475995, 19427985]

約数ペア:

[(1, 19427985), (3, 6475995), (5, 3885597), (9, 2158665), (15, 1295199), (23, 844695), (27, 719555), (45, 431733), (69, 281565), (115, 168939), (135, 143911), (207, 93855), (345, 56313), (621, 31285), (1035, 18771), (3105, 6257)]