19302920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5303}}^1$

素因数の和:5334

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 34161400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5303, 10606, 21212, 26515, 37121, 42424, 53030, 68939, 74242, 106060, 137878, 148484, 185605, 212120, 275756, 296968, 344695, 371210, 482573, 551512, 689390, 742420, 965146, 1378780, 1484840, 1930292, 2412865, 2757560, 3860584, 4825730, 9651460, 19302920]

約数ペア:

[(1, 19302920), (2, 9651460), (4, 4825730), (5, 3860584), (7, 2757560), (8, 2412865), (10, 1930292), (13, 1484840), (14, 1378780), (20, 965146), (26, 742420), (28, 689390), (35, 551512), (40, 482573), (52, 371210), (56, 344695), (65, 296968), (70, 275756), (91, 212120), (104, 185605), (130, 148484), (140, 137878), (182, 106060), (260, 74242), (280, 68939), (364, 53030), (455, 42424), (520, 37121), (728, 26515), (910, 21212), (1820, 10606), (3640, 5303)]