19724838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7699}}^1$

素因数の和:7772

約数の個数: 32

約数和(自身を含む): 45830400

約数和(自身を除く): 26105562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7699, 15398, 23097, 46194, 53893, 107786, 161679, 323358, 469639, 939278, 1408917, 2817834, 3287473, 6574946, 9862419, 19724838]

約数ペア:

[(1, 19724838), (2, 9862419), (3, 6574946), (6, 3287473), (7, 2817834), (14, 1408917), (21, 939278), (42, 469639), (61, 323358), (122, 161679), (183, 107786), (366, 53893), (427, 46194), (854, 23097), (1281, 15398), (2562, 7699)]