19895150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 41100048

約数和(自身を除く): 21204898

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 122, 275, 305, 550, 593, 610, 671, 1186, 1342, 1525, 2965, 3050, 3355, 5930, 6523, 6710, 13046, 14825, 16775, 29650, 32615, 33550, 36173, 65230, 72346, 163075, 180865, 326150, 361730, 397903, 795806, 904325, 1808650, 1989515, 3979030, 9947575, 19895150]

約数ペア:

[(1, 19895150), (2, 9947575), (5, 3979030), (10, 1989515), (11, 1808650), (22, 904325), (25, 795806), (50, 397903), (55, 361730), (61, 326150), (110, 180865), (122, 163075), (275, 72346), (305, 65230), (550, 36173), (593, 33550), (610, 32615), (671, 29650), (1186, 16775), (1342, 14825), (1525, 13046), (2965, 6710), (3050, 6523), (3355, 5930)]