19939758

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 24297042

約数列:

[1, 2, 3, 6, 23, 31, 46, 59, 62, 69, 79, 93, 118, 138, 158, 177, 186, 237, 354, 474, 713, 1357, 1426, 1817, 1829, 2139, 2449, 2714, 3634, 3658, 4071, 4278, 4661, 4898, 5451, 5487, 7347, 8142, 9322, 10902, 10974, 13983, 14694, 27966, 42067, 56327, 84134, 107203, 112654, 126201, 144491, 168981, 214406, 252402, 288982, 321609, 337962, 433473, 643218, 866946, 3323293, 6646586, 9969879, 19939758]

約数ペア:

[(1, 19939758), (2, 9969879), (3, 6646586), (6, 3323293), (23, 866946), (31, 643218), (46, 433473), (59, 337962), (62, 321609), (69, 288982), (79, 252402), (93, 214406), (118, 168981), (138, 144491), (158, 126201), (177, 112654), (186, 107203), (237, 84134), (354, 56327), (474, 42067), (713, 27966), (1357, 14694), (1426, 13983), (1817, 10974), (1829, 10902), (2139, 9322), (2449, 8142), (2714, 7347), (3634, 5487), (3658, 5451), (4071, 4898), (4278, 4661)]