18843485193

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{1657}}^1$

素因数の和:2039

約数の個数: 64

約数和(自身を含む): 30417004800

約数和(自身を除く): 11573519607

約数列:

[1, 3, 9, 13, 27, 39, 117, 179, 181, 351, 537, 543, 1611, 1629, 1657, 2327, 2353, 4833, 4887, 4971, 6981, 7059, 14913, 20943, 21177, 21541, 32399, 44739, 62829, 63531, 64623, 97197, 193869, 291591, 296603, 299917, 421187, 581607, 874773, 889809, 899751, 1263561, 2669427, 2699253, 3790683, 3855839, 3898921, 8008281, 8097759, 11372049, 11567517, 11696763, 34702551, 35090289, 53685143, 104107653, 105270867, 161055429, 483166287, 697906859, 1449498861, 2093720577, 6281161731, 18843485193]

約数ペア:

[(1, 18843485193), (3, 6281161731), (9, 2093720577), (13, 1449498861), (27, 697906859), (39, 483166287), (117, 161055429), (179, 105270867), (181, 104107653), (351, 53685143), (537, 35090289), (543, 34702551), (1611, 11696763), (1629, 11567517), (1657, 11372049), (2327, 8097759), (2353, 8008281), (4833, 3898921), (4887, 3855839), (4971, 3790683), (6981, 2699253), (7059, 2669427), (14913, 1263561), (20943, 899751), (21177, 889809), (21541, 874773), (32399, 581607), (44739, 421187), (62829, 299917), (63531, 296603), (64623, 291591), (97197, 193869)]