19170840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12289}}^1$

素因数の和:12316

約数の個数: 64

約数和(自身を含む): 61941600

約数和(自身を除く): 42770760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12289, 24578, 36867, 49156, 61445, 73734, 98312, 122890, 147468, 159757, 184335, 245780, 294936, 319514, 368670, 479271, 491560, 639028, 737340, 798785, 958542, 1278056, 1474680, 1597570, 1917084, 2396355, 3195140, 3834168, 4792710, 6390280, 9585420, 19170840]

約数ペア:

[(1, 19170840), (2, 9585420), (3, 6390280), (4, 4792710), (5, 3834168), (6, 3195140), (8, 2396355), (10, 1917084), (12, 1597570), (13, 1474680), (15, 1278056), (20, 958542), (24, 798785), (26, 737340), (30, 639028), (39, 491560), (40, 479271), (52, 368670), (60, 319514), (65, 294936), (78, 245780), (104, 184335), (120, 159757), (130, 147468), (156, 122890), (195, 98312), (260, 73734), (312, 61445), (390, 49156), (520, 36867), (780, 24578), (1560, 12289)]