19712472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 57576960

約数和(自身を除く): 37864488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 41, 46, 52, 67, 69, 78, 82, 92, 104, 123, 134, 138, 156, 164, 184, 201, 246, 268, 276, 299, 312, 328, 402, 492, 533, 536, 552, 598, 804, 871, 897, 943, 984, 1066, 1196, 1541, 1599, 1608, 1742, 1794, 1886, 2132, 2392, 2613, 2747, 2829, 3082, 3198, 3484, 3588, 3772, 4264, 4623, 5226, 5494, 5658, 6164, 6396, 6968, 7176, 7544, 8241, 9246, 10452, 10988, 11316, 12259, 12328, 12792, 16482, 18492, 20033, 20904, 21976, 22632, 24518, 32964, 35711, 36777, 36984, 40066, 49036, 60099, 63181, 65928, 71422, 73554, 80132, 98072, 107133, 120198, 126362, 142844, 147108, 160264, 189543, 214266, 240396, 252724, 285688, 294216, 379086, 428532, 480792, 505448, 758172, 821353, 857064, 1516344, 1642706, 2464059, 3285412, 4928118, 6570824, 9856236, 19712472]

約数ペア:

[(1, 19712472), (2, 9856236), (3, 6570824), (4, 4928118), (6, 3285412), (8, 2464059), (12, 1642706), (13, 1516344), (23, 857064), (24, 821353), (26, 758172), (39, 505448), (41, 480792), (46, 428532), (52, 379086), (67, 294216), (69, 285688), (78, 252724), (82, 240396), (92, 214266), (104, 189543), (123, 160264), (134, 147108), (138, 142844), (156, 126362), (164, 120198), (184, 107133), (201, 98072), (246, 80132), (268, 73554), (276, 71422), (299, 65928), (312, 63181), (328, 60099), (402, 49036), (492, 40066), (533, 36984), (536, 36777), (552, 35711), (598, 32964), (804, 24518), (871, 22632), (897, 21976), (943, 20904), (984, 20033), (1066, 18492), (1196, 16482), (1541, 12792), (1599, 12328), (1608, 12259), (1742, 11316), (1794, 10988), (1886, 10452), (2132, 9246), (2392, 8241), (2613, 7544), (2747, 7176), (2829, 6968), (3082, 6396), (3198, 6164), (3484, 5658), (3588, 5494), (3772, 5226), (4264, 4623)]