18780170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 17205430

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1019, 1843, 2038, 3686, 5095, 9215, 10190, 18430, 19361, 38722, 96805, 98843, 193610, 197686, 494215, 988430, 1878017, 3756034, 9390085, 18780170]

約数ペア:

[(1, 18780170), (2, 9390085), (5, 3756034), (10, 1878017), (19, 988430), (38, 494215), (95, 197686), (97, 193610), (190, 98843), (194, 96805), (485, 38722), (970, 19361), (1019, 18430), (1843, 10190), (2038, 9215), (3686, 5095)]