19551948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 51158016

約数和(自身を除く): 31606068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 311, 338, 372, 403, 507, 622, 676, 806, 933, 1014, 1209, 1244, 1612, 1866, 2028, 2418, 3732, 4043, 4836, 5239, 8086, 9641, 10478, 12129, 15717, 16172, 19282, 20956, 24258, 28923, 31434, 38564, 48516, 52559, 57846, 62868, 105118, 115692, 125333, 157677, 210236, 250666, 315354, 375999, 501332, 630708, 751998, 1503996, 1629329, 3258658, 4887987, 6517316, 9775974, 19551948]

約数ペア:

[(1, 19551948), (2, 9775974), (3, 6517316), (4, 4887987), (6, 3258658), (12, 1629329), (13, 1503996), (26, 751998), (31, 630708), (39, 501332), (52, 375999), (62, 315354), (78, 250666), (93, 210236), (124, 157677), (156, 125333), (169, 115692), (186, 105118), (311, 62868), (338, 57846), (372, 52559), (403, 48516), (507, 38564), (622, 31434), (676, 28923), (806, 24258), (933, 20956), (1014, 19282), (1209, 16172), (1244, 15717), (1612, 12129), (1866, 10478), (2028, 9641), (2418, 8086), (3732, 5239), (4043, 4836)]