19690830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 52902720

約数和(自身を除く): 33211890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 233, 270, 313, 466, 626, 699, 939, 1165, 1398, 1565, 1878, 2097, 2330, 2817, 3130, 3495, 4194, 4695, 5634, 6291, 6990, 8451, 9390, 10485, 12582, 14085, 16902, 20970, 28170, 31455, 42255, 62910, 72929, 84510, 145858, 218787, 364645, 437574, 656361, 729290, 1093935, 1312722, 1969083, 2187870, 3281805, 3938166, 6563610, 9845415, 19690830]

約数ペア:

[(1, 19690830), (2, 9845415), (3, 6563610), (5, 3938166), (6, 3281805), (9, 2187870), (10, 1969083), (15, 1312722), (18, 1093935), (27, 729290), (30, 656361), (45, 437574), (54, 364645), (90, 218787), (135, 145858), (233, 84510), (270, 72929), (313, 62910), (466, 42255), (626, 31455), (699, 28170), (939, 20970), (1165, 16902), (1398, 14085), (1565, 12582), (1878, 10485), (2097, 9390), (2330, 8451), (2817, 6990), (3130, 6291), (3495, 5634), (4194, 4695)]