19989581631

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1\times {\mathrm{11527}}^1$

素因数の和:12503

約数の個数: 32

約数和(自身を含む): 29017359360

約数和(自身を除く): 9027777729

約数列:

[1, 3, 17, 37, 51, 111, 629, 919, 1887, 2757, 11527, 15623, 34003, 34581, 46869, 102009, 195959, 426499, 578051, 587877, 1279497, 1734153, 7250483, 10593313, 21751449, 31779939, 180086321, 391952581, 540258963, 1175857743, 6663193877, 19989581631]

約数ペア:

[(1, 19989581631), (3, 6663193877), (17, 1175857743), (37, 540258963), (51, 391952581), (111, 180086321), (629, 31779939), (919, 21751449), (1887, 10593313), (2757, 7250483), (11527, 1734153), (15623, 1279497), (34003, 587877), (34581, 578051), (46869, 426499), (102009, 195959)]