19840752

素因数分解:

$2^4\times 3^2\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:878

約数の個数: 60

約数和(自身を含む): 55875144

約数和(自身を除く): 36034392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 211, 422, 633, 653, 844, 1266, 1306, 1688, 1899, 1959, 2532, 2612, 3376, 3798, 3918, 5064, 5224, 5877, 7596, 7836, 10128, 10448, 11754, 15192, 15672, 23508, 30384, 31344, 47016, 94032, 137783, 275566, 413349, 551132, 826698, 1102264, 1240047, 1653396, 2204528, 2480094, 3306792, 4960188, 6613584, 9920376, 19840752]

約数ペア:

[(1, 19840752), (2, 9920376), (3, 6613584), (4, 4960188), (6, 3306792), (8, 2480094), (9, 2204528), (12, 1653396), (16, 1240047), (18, 1102264), (24, 826698), (36, 551132), (48, 413349), (72, 275566), (144, 137783), (211, 94032), (422, 47016), (633, 31344), (653, 30384), (844, 23508), (1266, 15672), (1306, 15192), (1688, 11754), (1899, 10448), (1959, 10128), (2532, 7836), (2612, 7596), (3376, 5877), (3798, 5224), (3918, 5064)]