19641690

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 54250560

約数和(自身を除く): 34608870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 81, 90, 118, 135, 137, 162, 177, 243, 270, 274, 295, 354, 405, 411, 486, 531, 590, 685, 810, 822, 885, 1062, 1215, 1233, 1370, 1593, 1770, 2055, 2430, 2466, 2655, 3186, 3699, 4110, 4779, 5310, 6165, 7398, 7965, 8083, 9558, 11097, 12330, 14337, 15930, 16166, 18495, 22194, 23895, 24249, 28674, 33291, 36990, 40415, 47790, 48498, 55485, 66582, 71685, 72747, 80830, 110970, 121245, 143370, 145494, 166455, 218241, 242490, 332910, 363735, 436482, 654723, 727470, 1091205, 1309446, 1964169, 2182410, 3273615, 3928338, 6547230, 9820845, 19641690]

約数ペア:

[(1, 19641690), (2, 9820845), (3, 6547230), (5, 3928338), (6, 3273615), (9, 2182410), (10, 1964169), (15, 1309446), (18, 1091205), (27, 727470), (30, 654723), (45, 436482), (54, 363735), (59, 332910), (81, 242490), (90, 218241), (118, 166455), (135, 145494), (137, 143370), (162, 121245), (177, 110970), (243, 80830), (270, 72747), (274, 71685), (295, 66582), (354, 55485), (405, 48498), (411, 47790), (486, 40415), (531, 36990), (590, 33291), (685, 28674), (810, 24249), (822, 23895), (885, 22194), (1062, 18495), (1215, 16166), (1233, 15930), (1370, 14337), (1593, 12330), (1770, 11097), (2055, 9558), (2430, 8083), (2466, 7965), (2655, 7398), (3186, 6165), (3699, 5310), (4110, 4779)]