18809172

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 50735776

約数和(自身を除く): 31926604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 523, 666, 972, 999, 1046, 1332, 1569, 1998, 2092, 2997, 3138, 3996, 4707, 5994, 6276, 8991, 9414, 11988, 14121, 17982, 18828, 19351, 28242, 35964, 38702, 42363, 56484, 58053, 77404, 84726, 116106, 127089, 169452, 174159, 232212, 254178, 348318, 508356, 522477, 696636, 1044954, 1567431, 2089908, 3134862, 4702293, 6269724, 9404586, 18809172]

約数ペア:

[(1, 18809172), (2, 9404586), (3, 6269724), (4, 4702293), (6, 3134862), (9, 2089908), (12, 1567431), (18, 1044954), (27, 696636), (36, 522477), (37, 508356), (54, 348318), (74, 254178), (81, 232212), (108, 174159), (111, 169452), (148, 127089), (162, 116106), (222, 84726), (243, 77404), (324, 58053), (333, 56484), (444, 42363), (486, 38702), (523, 35964), (666, 28242), (972, 19351), (999, 18828), (1046, 17982), (1332, 14121), (1569, 11988), (1998, 9414), (2092, 8991), (2997, 6276), (3138, 5994), (3996, 4707)]