19477430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4004

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 21165130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 3919, 4970, 7838, 19595, 27433, 39190, 54866, 137165, 274330, 278249, 556498, 1391245, 1947743, 2782490, 3895486, 9738715, 19477430]

約数ペア:

[(1, 19477430), (2, 9738715), (5, 3895486), (7, 2782490), (10, 1947743), (14, 1391245), (35, 556498), (70, 278249), (71, 274330), (142, 137165), (355, 54866), (497, 39190), (710, 27433), (994, 19595), (2485, 7838), (3919, 4970)]