19783710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 34129890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 1559, 2115, 2538, 3118, 4230, 4677, 6345, 7795, 9354, 12690, 14031, 15590, 23385, 28062, 42093, 46770, 70155, 73273, 84186, 140310, 146546, 210465, 219819, 366365, 420930, 439638, 659457, 732730, 1099095, 1318914, 1978371, 2198190, 3297285, 3956742, 6594570, 9891855, 19783710]

約数ペア:

[(1, 19783710), (2, 9891855), (3, 6594570), (5, 3956742), (6, 3297285), (9, 2198190), (10, 1978371), (15, 1318914), (18, 1099095), (27, 732730), (30, 659457), (45, 439638), (47, 420930), (54, 366365), (90, 219819), (94, 210465), (135, 146546), (141, 140310), (235, 84186), (270, 73273), (282, 70155), (423, 46770), (470, 42093), (705, 28062), (846, 23385), (1269, 15590), (1410, 14031), (1559, 12690), (2115, 9354), (2538, 7795), (3118, 6345), (4230, 4677)]