19870650

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 36375750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 41, 45, 50, 54, 75, 82, 90, 123, 135, 150, 205, 225, 246, 270, 359, 369, 410, 450, 615, 675, 718, 738, 1025, 1077, 1107, 1230, 1350, 1795, 1845, 2050, 2154, 2214, 3075, 3231, 3590, 3690, 5385, 5535, 6150, 6462, 8975, 9225, 9693, 10770, 11070, 14719, 16155, 17950, 18450, 19386, 26925, 27675, 29438, 32310, 44157, 48465, 53850, 55350, 73595, 80775, 88314, 96930, 132471, 147190, 161550, 220785, 242325, 264942, 367975, 397413, 441570, 484650, 662355, 735950, 794826, 1103925, 1324710, 1987065, 2207850, 3311775, 3974130, 6623550, 9935325, 19870650]

約数ペア:

[(1, 19870650), (2, 9935325), (3, 6623550), (5, 3974130), (6, 3311775), (9, 2207850), (10, 1987065), (15, 1324710), (18, 1103925), (25, 794826), (27, 735950), (30, 662355), (41, 484650), (45, 441570), (50, 397413), (54, 367975), (75, 264942), (82, 242325), (90, 220785), (123, 161550), (135, 147190), (150, 132471), (205, 96930), (225, 88314), (246, 80775), (270, 73595), (359, 55350), (369, 53850), (410, 48465), (450, 44157), (615, 32310), (675, 29438), (718, 27675), (738, 26925), (1025, 19386), (1077, 18450), (1107, 17950), (1230, 16155), (1350, 14719), (1795, 11070), (1845, 10770), (2050, 9693), (2154, 9225), (2214, 8975), (3075, 6462), (3231, 6150), (3590, 5535), (3690, 5385)]