18231948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 53464320

約数和(自身を除く): 35232372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1019, 1278, 1491, 1988, 2038, 2556, 2982, 3057, 4076, 4473, 5964, 6114, 7133, 8946, 9171, 12228, 14266, 17892, 18342, 21399, 28532, 36684, 42798, 64197, 72349, 85596, 128394, 144698, 217047, 256788, 289396, 434094, 506443, 651141, 868188, 1012886, 1302282, 1519329, 2025772, 2604564, 3038658, 4557987, 6077316, 9115974, 18231948]

約数ペア:

[(1, 18231948), (2, 9115974), (3, 6077316), (4, 4557987), (6, 3038658), (7, 2604564), (9, 2025772), (12, 1519329), (14, 1302282), (18, 1012886), (21, 868188), (28, 651141), (36, 506443), (42, 434094), (63, 289396), (71, 256788), (84, 217047), (126, 144698), (142, 128394), (213, 85596), (252, 72349), (284, 64197), (426, 42798), (497, 36684), (639, 28532), (852, 21399), (994, 18342), (1019, 17892), (1278, 14266), (1491, 12228), (1988, 9171), (2038, 8946), (2556, 7133), (2982, 6114), (3057, 5964), (4076, 4473)]