19153620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 58751784

約数和(自身を除く): 39598164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1097, 1164, 1455, 1746, 1940, 2194, 2910, 3291, 3492, 4365, 4388, 5485, 5820, 6582, 8730, 9873, 10970, 13164, 16455, 17460, 19746, 21940, 32910, 39492, 49365, 65820, 98730, 106409, 197460, 212818, 319227, 425636, 532045, 638454, 957681, 1064090, 1276908, 1596135, 1915362, 2128180, 3192270, 3830724, 4788405, 6384540, 9576810, 19153620]

約数ペア:

[(1, 19153620), (2, 9576810), (3, 6384540), (4, 4788405), (5, 3830724), (6, 3192270), (9, 2128180), (10, 1915362), (12, 1596135), (15, 1276908), (18, 1064090), (20, 957681), (30, 638454), (36, 532045), (45, 425636), (60, 319227), (90, 212818), (97, 197460), (180, 106409), (194, 98730), (291, 65820), (388, 49365), (485, 39492), (582, 32910), (873, 21940), (970, 19746), (1097, 17460), (1164, 16455), (1455, 13164), (1746, 10970), (1940, 9873), (2194, 8730), (2910, 6582), (3291, 5820), (3492, 5485), (4365, 4388)]