19744920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4219}}^1$

素因数の和:4249

約数の個数: 96

約数和(自身を含む): 69123600

約数和(自身を除く): 49378680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4219, 4680, 8438, 12657, 16876, 21095, 25314, 33752, 37971, 42190, 50628, 54847, 63285, 75942, 84380, 101256, 109694, 126570, 151884, 164541, 168760, 189855, 219388, 253140, 274235, 303768, 329082, 379710, 438776, 493623, 506280, 548470, 658164, 759420, 822705, 987246, 1096940, 1316328, 1518840, 1645410, 1974492, 2193880, 2468115, 3290820, 3948984, 4936230, 6581640, 9872460, 19744920]

約数ペア:

[(1, 19744920), (2, 9872460), (3, 6581640), (4, 4936230), (5, 3948984), (6, 3290820), (8, 2468115), (9, 2193880), (10, 1974492), (12, 1645410), (13, 1518840), (15, 1316328), (18, 1096940), (20, 987246), (24, 822705), (26, 759420), (30, 658164), (36, 548470), (39, 506280), (40, 493623), (45, 438776), (52, 379710), (60, 329082), (65, 303768), (72, 274235), (78, 253140), (90, 219388), (104, 189855), (117, 168760), (120, 164541), (130, 151884), (156, 126570), (180, 109694), (195, 101256), (234, 84380), (260, 75942), (312, 63285), (360, 54847), (390, 50628), (468, 42190), (520, 37971), (585, 33752), (780, 25314), (936, 21095), (1170, 16876), (1560, 12657), (2340, 8438), (4219, 4680)]