19776510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16903}}^1$

素因数の和:16929

約数の個数: 48

約数和(自身を含む): 55377504

約数和(自身を除く): 35600994

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16903, 33806, 50709, 84515, 101418, 152127, 169030, 219739, 253545, 304254, 439478, 507090, 659217, 760635, 1098695, 1318434, 1521270, 1977651, 2197390, 3296085, 3955302, 6592170, 9888255, 19776510]

約数ペア:

[(1, 19776510), (2, 9888255), (3, 6592170), (5, 3955302), (6, 3296085), (9, 2197390), (10, 1977651), (13, 1521270), (15, 1318434), (18, 1098695), (26, 760635), (30, 659217), (39, 507090), (45, 439478), (65, 304254), (78, 253545), (90, 219739), (117, 169030), (130, 152127), (195, 101418), (234, 84515), (390, 50709), (585, 33806), (1170, 16903)]