19714380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:735

約数の個数: 96

約数和(自身を含む): 64049664

約数和(自身を除く): 44335284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 643, 730, 876, 1022, 1095, 1286, 1460, 1533, 1929, 2044, 2190, 2555, 2572, 3066, 3215, 3858, 4380, 4501, 5110, 6132, 6430, 7665, 7716, 9002, 9645, 10220, 12860, 13503, 15330, 18004, 19290, 22505, 27006, 30660, 38580, 45010, 46939, 54012, 67515, 90020, 93878, 135030, 140817, 187756, 234695, 270060, 281634, 328573, 469390, 563268, 657146, 704085, 938780, 985719, 1314292, 1408170, 1642865, 1971438, 2816340, 3285730, 3942876, 4928595, 6571460, 9857190, 19714380]

約数ペア:

[(1, 19714380), (2, 9857190), (3, 6571460), (4, 4928595), (5, 3942876), (6, 3285730), (7, 2816340), (10, 1971438), (12, 1642865), (14, 1408170), (15, 1314292), (20, 985719), (21, 938780), (28, 704085), (30, 657146), (35, 563268), (42, 469390), (60, 328573), (70, 281634), (73, 270060), (84, 234695), (105, 187756), (140, 140817), (146, 135030), (210, 93878), (219, 90020), (292, 67515), (365, 54012), (420, 46939), (438, 45010), (511, 38580), (643, 30660), (730, 27006), (876, 22505), (1022, 19290), (1095, 18004), (1286, 15330), (1460, 13503), (1533, 12860), (1929, 10220), (2044, 9645), (2190, 9002), (2555, 7716), (2572, 7665), (3066, 6430), (3215, 6132), (3858, 5110), (4380, 4501)]