18744008985

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{20983}}^1$

素因数の和:21519

約数の個数: 64

約数和(自身を含む): 35958182400

約数和(自身を除く): 17214173415

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 509, 585, 1527, 1755, 2545, 4581, 6617, 7635, 13743, 19851, 20983, 22905, 33085, 59553, 62949, 68715, 99255, 104915, 178659, 188847, 272779, 297765, 314745, 566541, 818337, 893295, 944235, 1363895, 2455011, 2832705, 4091685, 7365033, 10680347, 12275055, 32041041, 36825165, 53401735, 96123123, 138844511, 160205205, 288369369, 416533533, 480615615, 694222555, 1249600599, 1441846845, 2082667665, 3748801797, 6248002995, 18744008985]

約数ペア:

[(1, 18744008985), (3, 6248002995), (5, 3748801797), (9, 2082667665), (13, 1441846845), (15, 1249600599), (27, 694222555), (39, 480615615), (45, 416533533), (65, 288369369), (117, 160205205), (135, 138844511), (195, 96123123), (351, 53401735), (509, 36825165), (585, 32041041), (1527, 12275055), (1755, 10680347), (2545, 7365033), (4581, 4091685), (6617, 2832705), (7635, 2455011), (13743, 1363895), (19851, 944235), (20983, 893295), (22905, 818337), (33085, 566541), (59553, 314745), (62949, 297765), (68715, 272779), (99255, 188847), (104915, 178659)]