19993032

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:3994

約数の個数: 48

約数和(自身を含む): 54924480

約数和(自身を除く): 34931448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3911, 5112, 7822, 11733, 15644, 23466, 31288, 35199, 46932, 70398, 93864, 140796, 277681, 281592, 555362, 833043, 1110724, 1666086, 2221448, 2499129, 3332172, 4998258, 6664344, 9996516, 19993032]

約数ペア:

[(1, 19993032), (2, 9996516), (3, 6664344), (4, 4998258), (6, 3332172), (8, 2499129), (9, 2221448), (12, 1666086), (18, 1110724), (24, 833043), (36, 555362), (71, 281592), (72, 277681), (142, 140796), (213, 93864), (284, 70398), (426, 46932), (568, 35199), (639, 31288), (852, 23466), (1278, 15644), (1704, 11733), (2556, 7822), (3911, 5112)]