19976616

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2293}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 59494890

約数和(自身を除く): 39518274

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2293, 2904, 4356, 4586, 6879, 8712, 9172, 13758, 18344, 20637, 25223, 27516, 41274, 50446, 55032, 75669, 82548, 100892, 151338, 165096, 201784, 227007, 277453, 302676, 454014, 554906, 605352, 832359, 908028, 1109812, 1664718, 1816056, 2219624, 2497077, 3329436, 4994154, 6658872, 9988308, 19976616]

約数ペア:

[(1, 19976616), (2, 9988308), (3, 6658872), (4, 4994154), (6, 3329436), (8, 2497077), (9, 2219624), (11, 1816056), (12, 1664718), (18, 1109812), (22, 908028), (24, 832359), (33, 605352), (36, 554906), (44, 454014), (66, 302676), (72, 277453), (88, 227007), (99, 201784), (121, 165096), (132, 151338), (198, 100892), (242, 82548), (264, 75669), (363, 55032), (396, 50446), (484, 41274), (726, 27516), (792, 25223), (968, 20637), (1089, 18344), (1452, 13758), (2178, 9172), (2293, 8712), (2904, 6879), (4356, 4586)]